Chemical sedimentary rock is formed from mineral grains precipitated by evaporation.
Option A is correct.
What kind of sedimentary rock is generated from mineral grains precipitated by evaporation?When the amount of water lost by evaporation surpasses the entire amount of water from rainfall and water influx from rivers and streams, layered crystalline sedimentary rocks known as evaporites are produced.
What kind of sedimentary rock precipitates right out of the water?Minerals that accumulate in saline water form chemical sedimentary rocks. The bodies of organisms are used to form organic sedimentary rocks. Particles the size of sand make up sandstone.
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Answer:
A)chemical.
Explanation:
it was correct on test
how were terrestrial environments occupied by vascular plants and animals, including tetrapods during middle paleozoic
Terrestrial animals' adaptations include body weight, protection, and humidity. Vascular plants thrive because they can transfer water, nutrients, and seeds more effectively.
The Age of Fishes corresponds to the middle Paleozoic.
True roots consisting of vascular tissues have emerged in vascular plants. Rhizoids can absorb less water and minerals from the soil than roots can. All terrestrial plants share four main adaptations: a sporangium where spores are made, a gametangium where haploid cells are produced, and apical meristem tissue in roots and shoots.
Tetrapod species developed seven or more vertebrae, which increased neck movement, as they continued to evolve on land. Early tetrapods' shoulders and pelvis grew and developed, enabling them to carry loads on land. Different skeleton and muscle adaptations that allow for proper support and movement on land.
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The spinal column is sometimes referred to as the backbone
True Or False
The statement the spinal column is sometimes referred to as the backbone is TRUE because it provides structural support to the body.
What is the spinal column in the human body?The spinal column is a series of vertebrae which include cervical spine vertebrae, thoracic spine vertebrae, lumbar spine vertebrae and sacral spine vertebrae. These bones are able to support the weight of the body.
Therefore, with this data, we can see that the spinal column in our body provides a structure that supports the human body.
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how does the text explore the relationship between humans and animals? Is black beauty harmed by his relationship with humans? Does he benefit in any way? Cite evidence from the text, your own experience, and other literature, art, or history in your answer
The text explores the relationship between humans and animals by showing the readers that the world is full of beings who should not be treated like objects.
As his name suggests, Black Beauty was renowned for his size and might. However, when bad luck strikes, he is sold to a number of other owners. Some owners are compassionate and treat him with love and respect. Black Beauty is frequently referred to as a horse's autobiography. Black, a young stallion, is the horse (Beauty).
Black Beauty, a charming pre-automobile era horse that was well-bred and of noble birth, tells the tale. After being initially owned by sympathetic masters, he is bought and sold by ever crueler owners. He eventually collapses from overwork and poor treatment, but he is ultimately sold to another sympathetic owner and bounces back.
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What type of relationship do the spider
and the fern have?
Answer:
Commensal relationship
Explanation:
Spiders build their webs on trees. The spider gets to live in the tree, but the tree is unaffected.
np ;3
why do other species have such different ranges of sensitivity for both visual and auditory stimuli compared to humans?
In order to best fit their specific environmental niches, other species have evolved. Due to the fact that only noises within this frequency range can cause the cochlea in humans to be stimulated, humans have a limited range of auditory sensitivity. Because the cochlea's hair cells have varied lengths, they can pick up different sound frequencies.
The pressure fluctuations caused by vibrating molecules are known as sound waves. The three psychological aspects of sound—loudness, pitch, and timbre—are influenced by the physical properties of sound waves. The amplitude, or height, of sound waves determines how loud something is. The perceived sound volume increases with increasing amplitude.
Although different frequencies of sounds (tones) have the same sound pressure levels, the human ear does not respond to them all equally. The subjective or individual magnitude of a sound is referred to as its loudness. A sound's loudness is not inversely proportional to its sound pressure level and varies depending on the frequency.
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the genetics of eye color is not yet fully understood. there are multiple pigments and interaction between alleles at play, but we will look at a simplified example. in europeans, b is dominant and results in brown eyes, while b is recessive and results in blue eyes. in individuals with the bb genotype, 85 percent have brown eyes, 14 percent have green eyes, and 1 percent have blue eyes. what is the penetrance of the b pigment allele?
Green is a dominant color to blue eyes, and recessive to brown eyes
Chromosome 15 and Chromosome 19 both include eye color genes.
Human eye color is determined by three genes: EYCL1 (gey) for green/blue eyes, situated on chromosome 19, EYCL2 (bey1) for brown eyes, and EYCL3 (bey2) for brown/blue eyes, also found on chromosome 15.
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describe the role that intercostal muscles plays in gas exchange in the lungs
Answer:
Intercostal Muscles Overview
In humans, the muscles are solely for the purpose of expanding and contracting the rib cage. Other animals may have slightly different uses for the intercostal muscles, as discussed in the examples below. While the muscles serve generally the same purpose, they have been adapted in various ways in different organisms. These muscles are considered skeletal muscles.
There are 3 types of intercostal muscle. The innermost intercostal lies inside the ribs. The internal intercostal muscle sits between two ribs. The external intercostal muscles sit on the outside of the ribs. Between each of the 12 ribs, each of these three intercostal muscles is present. The first and last ribs only have intercostal muscles on one side.
The intercostal muscles relax while the lungs are expanding, allowing them to fill up with air. When an organism breathes out, the intercostal muscles contract to put pressure on the lungs and help drive the air out. This cycle continues constantly as an organism breathes.
The innermost intercostal muscles relax, while the external intercostal muscles contract, causing the chest cavity to expand. This expansion allows the lungs to fill with air, due to the negative pressure created by the extra space. Air fills the lungs, gases are exchanged, and it is time to exhale.
Explanation:
Chest Cavity Contraction
To force the air out, the chest cavity must become smaller, to put pressure on the air. To do this, the opposite process of inhalation happens. The diaphragm and external intercostal muscles contract, applying force to the bottom and sides of the lungs. The innermost intercostal muscles now contract, while the external intercostal muscles relax. This causes the chest cavity to contract as a whole, forcing the air out of your lungs. The internal intercostal muscles, or middle layer of muscle, helps keep the ribs from separating and holds the shape of the chest cavity.
Examples of Intercostal Muscles
Intercostal Muscles in Snakes
In different animals, intercostal muscles can perform different tasks. Snakes use their intercostal muscles in a different way than humans, based on their anatomy. Snakes typically only have one functioning lung, which fills along part of their body. Essentially, a snake has reduced its functional skeleton to a spine and rib cage. As in humans, the intercostal muscles in a snake play a role in bringing air into the lungs. By a similar process, the innermost and external intercostal muscles alternate their contracting and relaxing to expand and contract the lung.
Snakes, having no limbs, must also use their intercostal muscles when making a variety of other movements. While they have layers of muscles on top of their ribs that control their motion, the intercostal muscles have a much larger role to play in maintaining the shape and size of the body cavity.
For instance, when a constricting a prey item, a large snake creates an enormous amount of pressure with their muscles. This pressure is exerted not only on the prey item but also on the snake’s own body. To keep itself from damaging its internal organs, the snake must contract its intercostal muscles and create a strong cage around its lung, heart, and other sensitive organs.
This picture shows the flow of oxygen-poor blood into the right atrium then right ventricle and to the lungs. Which vessels are used to carry blood to the lungs?
A. pulmonary capillaries
B. cardiac veins
C. pulmonary arteries
Answer:
C. Pulmonary Arteries
Explanation:
The pulmonary artery is responsible for transporting oxygen-poor blood from the right ventricle to the lungs, where it is converted into oxygen and returned to the circulation.
Hope this helps :)
Which of the following is a product of respiration resulting from the breaking of carbon-carbon bonds?
a glucose
b. oxygen
c. carbon dioxide
d. all of the above
Please select the best answer from the choices provided
Answer:
Carbon dioxide is produced during respiration from the breaking of carbon-carbon bonds.
Explanation:
Cellular respiration takes glucose and water and turns them into carbon dioxide and water in the formula:
C6H12O6 + 6O2 = 6CO2 + 6H2O + Energy
When the carbon bonds are broke, carbon dioxide is produced.
which is closest to the definition of primary production? select one: a. the net sinking rate of carbon from the surface oceans to the deep b. the production by primary producers in the deep parts of the ocean c. the rate of fixation of carbon per unit area per unit time d. the part of production that is primary and not secondary or tertiary
Closest to the definition of primary production is the production by primary producers in the deep parts of the ocean. So the correct option is b.
Primary production in ecology is the synthesis of organic molecules from aqueous or atmospheric carbon dioxide.
Primary production refers to the process by which autotrophs assimilate and fix inorganic carbon and other inorganic nutrients into organic matter. The chemical energy source is typically ignored when estimating an ecosystem's primary production.
There are two forms of primary production: gross primary production, which measures the total amount of organic material generated by all producers in an ecosystem. The pace at which energy is fixed by autotrophs in excess of respiration is known as net primary production. Gross primary output minus respiration equals net primary production.
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Genes are segments of DNA on a chromosome that control what?
Answer:
Your genes contain instructions that tell your cells to make molecules called proteins. Proteins perform various functions in your body to keep you healthy. Each gene carries instructions that determine your features.
Answer:
Genes are the segments of DNA that provide the codes to construct a protein.
Explanation:
hope this helps you
Based on their data, which of the organisms can only produce offspring that are
genetically different to the parent organisms? (choose 2)
A: Strawberry plants
B: Dolphins
C: Copperhead snakes
D: Liverworts
E: Moonflowers
F: Streptococcus bacteria
Answer:
B. Dolphins
E. Moonflowers
Explanation:
Asexual production replicates via mitosis and produces offspring with the same genetic material as the parent.
Meiosis is how sexual reproducing organisms pass on their information. Meiosis requires the combination of two parent cells that merge their genetic information to produce a unique offspring containing DNA from both parents.
a group of organisms with the potential to interbreed and produce viable fertile offsprings is called ?
Group of organisms with the potential to interbreed and produce viable fertile offspring is known as species.
What do you understand by species?A biological species is a group of organisms that reproduce with one another in nature and produce fertile offspring.
In biology, classification comprising of related organisms that share common characteristics and are capable of interbreeding is termed as species.
The number of different species present in an ecosystem and abundance of each of those species is called species diversity. Biodiversity is very essential for the processes that support life on Earth. Without wide range of animals, plants and microorganisms, we cannot have a healthy ecosystems.
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What is another name for the “sentences” that DNA encodes?
What are some things you do to help you learn and remember new words and what they mean?
"Distributed practice" involves expanding out our studying over days and weeks. Working briefly on each class daily is most effective.
What is the best way to remember new words?1. Read.
Reading books and periodicals like newspapers and magazines will help you learn more words.
2. Always have a dictionary on you.
You can use versions on paper, in software, or on the internet. Electronic dictionaries are far more efficient .
3. Establish a dictionary for use.
It is important to record any new vocabulary. The act of writing them down will make it easier for you to recognize them when you are reading.
4. Acquire one new word each day.
use either a calendar, a website, or your own personal list. This assists a great number of people in learning new terms. You are not required to pick up a new concept every day.
5. Games.
Your vocabulary can be improved by playing word games that are difficult for you to master and that also introduce you to new words.
6. Talk.
Learning new words through conversation can be quite beneficial.
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suppose that in one cell in your skin, chromosome 14 and chromosome 18 exchange genetic materials. this change is inherited by subsequent cells. this is an example of a mutation that is also a(n)
This is an example of a somatic mutation that is also translocation.
A DNA change that happens after fertilization. Somatic mutations can develop in every cell of the body except reproductive cells (sperm and egg) and are thus not passed on to children. Somatic mutation, a genetic change established by a cells that can also be passed on to the mutant cell's descendants during cell division.
Environmental variables, like as exposure to UV light or certain chemicals, are commonly responsible for somatic mutations. Somatic mutations can occur in whatsoever cell division, from the initial cleavage of a fertilized egg through cell divisions which replace cells in an elderly person.
All cells generated from the mutant cell are affected by the mutation. A substantial component of a creature, such as a tree branch or an animal's whole tissue layer, may possess the mutation; it could or could not be visible. Somatic mutations can cause a variety of disorders, including cancer.
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you are a leading paleomicrobiology exploring western australia. you come across a sample that might resemble a fossil stromatolite and take it back to your lab to identify its origin. what data would assist in confirming the sample is indeed a fossil stromatolite formed by cyanobacteria? multiple answers could be correct.
Stromatolites, the most prevalent type of microbialites, are important fossils for comprehending the beginning and evolution of life and are prevalent in rocks older than 500 million years, which account for roughly two-thirds of the State.
What is Paleomicrobiology ?The methodologies and key discoveries in this new area of study, which straddles anthropology, history, and microbiology, are presented in "Paleomicrobiology - Past Human Infections."
Numerous unrelated health issues were present in his body, according to a paleomicrobiological examination of microbial ancient DNA (aDNA). In addition to having gallstones and hardening arteries, Tzi had parasitic whipworm eggs in his intestines (Trichuris trichiura).The Iceman is the oldest known human to have been infected by the bacterium that causes Lyme disease; Helicobacter pylori aDNA and the genetic signature of Borrelia burgdorferi were detected in his DNA. As a result, one of the coldest cases in human history was thoroughly investigated thanks in large part to the science of paleomicrobiology.What is Fossil stromatolite & Cyanobacteria ?Stromatolites are strange fossils whose biological origins weren't fully understood until a recent period of time. Stromatolites are layered colonial formations that are mostly generated by cyanobacteria, according to the majority of scientists today.The Stromatolites' surface layer is where the bacteria are active, and the underlying build-up is a lithified residue of previous microbial surface communities that might be considered a trace fossil. A single 1m building may be 2,000–3,000 years old because of how slowly these deposits accumulated.The phylum of gram-negative bacteria known as cyanobacteria, commonly referred to as cyanophyta, produces energy through photosynthesis. Although they are typically not formally categorized as algae, the word "cyanobacteria" relates to their hue, which also serves as the basis for the colloquial moniker "blue-green algae."To know more about Paleomicrobiology please click here :
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Using the information from problem 4, scientists do a further testcross using a heterozygote for height and nose morphol- ogy. The offspring are tall-upturned snout, 40; dwarf-upturned snout, 9; dwarf-downturned snout, 42; tall-downturned snout, 9. Calculate the recombination frequency from these data, and then use your answer from problem 4 to determine the correct order of the three linked genes
The correct answer is :
T-A exp. = 12 map units A-S exp. = 5 map units T-S exp. = 18 map unitsAn layout that is consistent with the data is: T then A then S
Tallness and Snout:
40 tall-upturned snout = 40% expected
42 dwarf-downturned snout = 42% expected
9 dwarf-upturned snout = 9% recombinant
9 tall-downturned snout = 9% recombinant
Total = 100%
Consequently, the rate of recombination between genes T and S is 18%.
By utilizing the % frequencies as distances, one may calculate the relative frequency between genes.
From tests 1-3, the recombinant relationships are as follows:
1 T-A exp. = 12 map units 2 A-S exp. = 5 map units 3 T-S exp. = 18 map units
An layout that is consistent with the data is: T then A then S
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which type of nissl stain requires a fluorescent microscope (a light microscope is not sufficient to reveal results)
Neurotrace a type of NISSL stain requires a fluorescent microscope as a light microscope is not sufficient to reveal results.
A common histology technique for identifying neurons in the brain and spinal cord is Nissl staining. The Nissl substance, a marker for the physiological status of the neuron, redistributes inside the cell body in injured or regenerating neurons. It is made up of ribosomal RNA coupled with the rough endoplasmic reticulum in neuronal perikarya and dendrites. NeuroTrace 640/660 deep-red fluorescent Nissl stain is more sensitive than conventional histology dyes like toluidine blue or cresyl violet and is selective for the Nissl material that is distinctive of neurons.
A popular technique for examining the anatomy and pathophysiology of neural tissue is Nissl staining. The characteristic staining of the neuronal perikarya is either absent or has a very weak signal after standard immunocytochemistry, leaving only the nucleus of the neurons to be labeled.
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the effect on ocean acidification on marine life such as such as phytoplankton algae, invertebrates, and vertebrates -
The overall effect of ocean acidification on marine life is habitats are in danger of extinction. Due to increase CO2 concentration and decrease O2 in ocean water.
The general rise in Earth's temperature, especially as a result of global warming and other factors, is what causes the oceans' temperature to rise.
The solubility of oxygen decreases as water temperature, in this example ocean temperature, rises. This is due to the higher kinetic energy of oxygen molecules, which allows them to move out of the solution or body of water. In general, this implies that the diversity of marine life would decrease as the oxygen level would decrease and carbon dioxide levels increased. Due to ore CO2 dissolving in water, it makes the water acidic.
Acidification has the following consequences on the marine environment:
1. Species' shells and skeletons are dissolving as the acidity of the environment rises.
2. The increased acid content in the ocean reduces the organisms' capacity to calcify.
3. Not able to stay healthy in acidic water.
4. For some fish species are not able to find food.
Therefore, the increase in acidity will result in dangers and the extinction of species.
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During DNA replication prior to meiosis, a frameshift mutation occurs. Will this mutation be inherited?
a
Yes, because meiosis makes exact cellular copies.
b
Yes, because frameshift mutations are always passed on to offspring.
c
Yes, because the error happened in a gamete.
d
Yes, because the error happened in a somatic cell.
Yes, a frameshift mutation that occurs during DNA replication prior to meiosis will be inherited because the error happened in a gamete; option C.
What is a mutation?A mutation is a change that occurs in the sequence of nucleotides in a DNA molecule.
Mutations that are inheritable are those mutations that affect the gametes.
Gametes refer to the haploid cells that are produced during the process of meiosis. Gametes produce egg cells and sperm cells.
Therefore, a mutation that occurs prior to meiosis could be inherited because it will be present in the gametes.
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scientists and their contributions to the models of atom
The primary researchers and intellectuals engaged in inventing the atomic model we know today include Democritus, John Dalton, J.J. Thomson, and Ernest Rutherford. There were many scientists whose discoveries contributed to the atomic model. The nuclear model of Rutherford. With his famous gold-foil experiment, which showed that the atom contains a tiny, heavy nucleus, Rutherford overturned Thomson's hypothesis in 1911.
JJ Thomson's original investigation into cathode rays, which led to the discovery of the electron, was the most brilliant accomplishment of his life. It was revealed during his evening talk to the Royal Institution. The electrons orbit the atom's nucleus in specified, legal routes, according to the Bohr model, also referred to as a planetary model. When the electron is in one of these orbits, its energy is constant.
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Marine Science Explain the difference between a wave’s period and frequency.
The difference between a wave’s period and frequency is determined by the fact that the wave frequency is inversely proportional to the wave period.
What do you mean by Wave frequency?Wave frequency may be defined as the number of peaks formed by a wave in one second. When you increase the energy of a wave, the frequency increases, but the wavelength decreases.
According to the context of this question, frequency is something that demonstrates how often something happens While period indicates the time at which is taken by that action to have happened.
Therefore, the difference between a wave period and a wave frequency is well described above.
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which choice among a-e below is false? a. transferrins: an iron-binding protein in your body b. fever: increases t cell activity and lowers iron availability c. amps: peptides of the innate immune system that possess antimicrobial activity d. interferon: acts on increfhypothalamus to elevate body temperature set point causing fever e. alternative complement pathway: complement activated by binding to pathogen surface glycolipids f. none are false; a - e are all true
The false statement in the given question is: (d) interferon: acts on increfhypothalamus to elevate body temperature set point causing fever.
Fever is the state of elevated temperature of the body. The normal body temperature is 98.6° F (37° C). Any increase above this temperature is febrile. Molecules called pyrogens released from the body of pathogens trigger the hypothalamus to elevate the body temperatures.
Interferon is the immune protein released from the cells that get infected by the virus. The function of the interferon is to inhibit the viral replication inside the body so as to prevent the spread of infection inside the body.
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The carbon cycle is one type of biogeochemical cycle that is necessary for the movement of matter.
What would happen if plants were removed from the environment?
If plants were removed from the carbon cycle, carbon will accumulate in the air as carbon dioxide and animals will not be able to obtain carbon.
What is the carbon cycle?The carbon cycle is a cycle that describes how carbon is recycled between the living and the non-living component of the environment.
Carbon is an essential element both for the living and the non-living components of the environment.
In living organisms, carbon is known as the element of life. This is because all living organisms require carbon for their existence. Carbon forms the backbone of all organic molecules.
Thus, in the carbon cycle, carbon is cycled between plants and animals, the atmosphere as well as in ocean water. Plants remove carbon from the atmosphere during photosynthesis. Animals release carbon during respiration.
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Connect explain the relationship between the carbon in a molecule of glucose and the cellulose found in a plant cell wall
Answer:
The cell walls of plants are mostly filled with cellulose, which provides support to the cell. Wood and paper are the most cellulosic in nature. Cellulose is made up of glucose monomers that are linked by "bridges" between particular carbon atoms in the glucose molecule.
Plants' cell walls, which provide the cell its structural support, are mostly formed of cellulose. Glucose monomers that are connected by bonds between certain carbon atoms in the glucose molecule make up cellulose.
What is plant cell wall made up of?Cellulose is the primary component of plant cell walls, and it is responsible for providing the cell with the necessary structural support. The majority of wood and paper are cellulosic in their natural state. Cellulose is made up of glucose monomers that are joined together by bonds between certain carbon atoms in the glucose molecule. These bonds are what give glucose its structure.
A network of cellulose microfibrils and cross-linking glycans are embedded in a highly cross-linked matrix of pectin polysaccharides to form the cell wall. The cell wall is formed of this network. Lignin may be deposited in the secondary cell walls of the plant.
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Eggs mature in the________
of the
female reproductive system. What
one word completes the sentence?
Enter your answer
Eggs mature in the ovaries of the female reproductive system.
Eggs in female refers to the female germ cells also called the ovum. It is a haploid structure that gets fertilized by a male germ cell in order to give rise to offspring. Egg is said to the largest single cell in the female body. It has no flagella and hence cannot move.
Ovaries are the gland or the reproductive organs that are involved in the production of female germ cell called the egg. In human females, there exists a pair of ovaries that consists of thousand of ova stored in it. Apart from ovum, these ovaries also synthesize some hormones.
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killed vaccines work by stimulating phagocytic activity. cytotoxic t cells. lymphocyte proliferation. an antibody response. the cell-mediated immune response.
Killed vaccines work by stimulating an antibody response. An antibody response is the culmination of a series of interactions between macrophages, T lymphocytes, and B lymphocytes
Inactivated vaccines, commonly referred to as killed vaccines, include virus particles, bacteria, or other pathogens whose genetic material has been damaged by heat, chemicals, or radiation so they cannot multiply in cells but can still elicit an immune response.
Although their genetic material has been destroyed, inactivated viruses typically still include a large number of proteins that the immune system may recognize and respond to. However, because inactivated vaccines can't infect cells, they can only induce antibody-mediated reactions, which may be weaker and shorter-lived. Inactivated vaccinations are frequently administered with adjuvants (agents that stimulate the immune system) and booster doses could be necessary to address this issue.
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you decide to introduce a species of lizard to an island where they were not previously found. you decide to introduce 50 individuals. what effect would mutations definitely have on the lizard population? select only one answer choice. group of answer choices mutations will likely introduce new alleles to the population. mutations will likely increase average fitness in the population. mutations will likely decrease average fitness in the population. mutations will cause dramatic changes in allele frequencies.
Mutations will cause dramatic changes in allele frequencies, this effect will be definitely visible.
Mutations are the changes in DNA sequence that occur during transmission of genetic material during reproduction. These changes are responsible for diversity in genetic sequence and hence formation of new alleles.
The effect of these alleles can be visible as phenotypes or difference in protein structures which may result in abnormality. Genetic drift is the change in frequency of allele randomly, due to mutation. It occurs through generations and is a mechanism of evolution. The phenomenon is common in small population and hence there will be dramatic change in allele frequencies.
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A student records the amount of time it takes mice to run
through a maze.
Which two terms describe this type of data?
A. Continuous
B. Quantitative
C. Qualitative
D. Discrete
Quantitative and Discrete are the two terms that describe this type of data.
Data are a group of discrete values that describe an amount, quality, fact, statistics, or other fundamental units of meaning, or they can simply be a series of symbols that can be further understood. A datum is a specific value contained in a group of data.
Quantitative data is information that is numerical, whereas qualitative data is information that is descriptive (it describes something) (numbers).
Discrete or continuous quantitative data are both possible. While continuous data can take any value, discrete data can only take specific values (such as whole integers) (within a range).
Text, observations, numbers, graphs, figures, pictures, and symbols are all examples of data. Data may consist of specific costs, weights, addresses, names, ages, temperatures, dates, or distances, for instance.
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