Answer: Ecosystem
Explanation: An ecosystem consists of all the biotic and abiotic factors in an area and their interactions. A niche refers to the role of a species in its ecosystem. A habitat is the physical environment in which a species lives and to which it is adapted.
Answer and Explanation:
An ecosystem is a particular area of which both biotic and abiotic factors consist. An ecosystem is a community of living organisms in joining with the nonliving components of their environment, all interacting as one system. Biotic and abiotic components are linked together through nutrient cycles and energy flows.
Hope this helped you out! Have a wonderful day!
Why do insects use sound
Answer:
Insects use sound to communicate with other insects, to navigate, and to hear the sounds of a predator approaching.
Explanation:
Which condition is autosomal recessive?
O neurofibromatosis type 1
O hemophilia
O cystic fibrosis
O Rett syndrome
Answer:cystic fibrosis
Explanation:
Please help me!
Atoms that will form chemical bonds are referred to as ____ , whereas
atoms that will not form chemical bonds, like the noble gases, are referred to as ___
Answer:
A chemical bond is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds. The bond may result from the electrostatic force of attraction between oppositely charged ions as in ionic bonds or through the sharing of electrons as in covalent bonds.
A scientist was studying the stars and their influence on the personalities of 100 people over a four year time period. Through his investigation he determined that people that were born during
August were more strong willed and driven than individuals born in October. People born in
October were more relaxed and could better handle stress. Is the scientist's research considered
science?
Answer: D
Explanation:
The answer no is correct it’s correct because the scientist followed personalities which is pseudoscience. So D is the answer.
Jonah and Cathy were sure that they had correctly answered most of their exam questions. However, they each scored less than 60 percent on the exam. This BEST illustrates the flaw in thinking known as?
Answer:
The correct answer is : Overconfidence.
Explanation:
A person who thinks his or her sense of direction or judgement is more accurate than it is actually is is known as overconfident, and this phenomenon is known as the overconfidence.
In this case, Jonah and Cathy attempted most of the question of the exam and secured less than 60% on the exam which suggests they have less knowledge than they thought they know, it is a sign of overconfidence.
Thus, the correct answer is overconfidence.
This BEST illustrates the flaw in thinking known as Overconfidence.
The following information should be considered:
A person when he or she thinks that his or her sense of direction or judgement is more correct as compared in actual situation so it is actually is is known as overconfident.So it is the example of the overconfidence.Learn more; https://brainly.com/question/20492533?referrer=searchResults
during what stage of meiosis do daughter cells first become haploid?
Answer: Only after the first cytokinesis, when the daughter cells of meiosis I are fully separated, are the cells considered haploid. Following this first division, the cell begins meiosis II with prophase II, making this the first haploid meiotic stage.
Explanation:
The stage of meiosis is when the daughter cells first become haploid is meiosis I, after cytokinesis.
What is meiosis?Meiosis is a process of cell division that occurs only in germ cells, during the process of reproduction. It is divided into meiosis I and meiosis II. The process completes in eight stages.
After the process of cytokinesis, the daughter cells become haploid and have their chromosome paired up.
Thus, Meiosis I, the first step of meiosis after cytokinesis, is when the daughter cells initially become haploid.
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is husk or flour lighter
Answer:
repeat the question again please
Answer:
As to me I think husk is lighter than flour (not so sure)
Prompt Comparing amino acid sequences in proteins has been used to determine the relatedness of organisms. Below is a graphic that shows the amino acid sequence differences between different organisms for a protein keratin. Changes in amino acid sequences are known to cause changes in structure of proteins. Part A. Consider species A, D, and E. Using the data provided, describe how the structures of their keratin proteins would compare. Part B. Keratin is made up of about 450 amino acids. Determine the similarity in percentages between species A and B, A and C, and B and C. Explain how amino acid sequences can be used in determining how closely related two species are. Part C. Based on this data, predict which two species would be more closely related to one another. Part D. Justify your predictions to part C.
Answer:
A) Species A and E are very closely related more than species A or E are related to species D.
B) Between A and B = 99.1%
Between species A and C =97.5%
Between species B and C = 97.3%
Similarity in amino acids sequence reflects similarity in DNA sequence, therefore they are used to determine how closely species are related.
C) Species A and E are most closely related
D) Since species A and E are most similar in amino acid sequence, it then means that there genetic sequences are most closely related.
Explanation:
A) The amino acid sequences of keratin, in species A and D have a difference of 19 whereas species A and E are different for only one amino acid. Therefore, it means that keratin in species A and D will have significant differences in their structure whereas between species A and E, they would have very similar structures.
Species D and E have a difference of 20 in their amino acids sequences, therefore, the structure of keratin in both species will have significant differences in their structures.
B) Similarity between A and B:
450 - 4 = 446
As a percentage: 446/450 × 100% = 99.1%
Similarity between A and C:
450 - 11 = 439
As a percentage: 439/450 × 100% = 97.5%
Similarity between B and C:
450 -12 = 438
In percentage: 438/450 × 100% = 97.3%
The DNA sequence of species determines their amino acid sequences because information in DNA is transcribed to RNA which are then used to make proteins. Therefore, if a species are very closely related, they are expected to have very similar genetic sequences (or genes) and thus similar proteins too. This similarity in proteins is observed in the similarity between amino acid sequences in their respective proteins.
C). Species A and E are most closely related.
D) Species A and E have only a single difference in their amino acids sequence for Keratin. This is equal to about 99.7% similarity, the highest similarity observed among all the species compared.
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This is the answer to A) Describe how allosteric enzymes are regulated by activator and inhibitor regulatory molecules.
B) Explain how ATP and ADP act as allosteric regulators of enzymes that are responsible for ATP production, and how that is an example of feedback inhibition.
C) What is feedback inhibition? How is the ATP generating pathway discussed in part B an example of feedback inhibition?
Answer:
a} Allosteric regulation is just any form of regulation where the regulatory molecule (an activator or inhibitor) binds to an enzyme someplace other than the active site.The shape of the active site is changed, allowing substrate to bind at a higher affinity.
b) The molecules that bind cellular respiration enzymes act as signals, giving the enzyme information about the cell's energy state. ATP, ADP, and NADH are examples of molecules that regulate cellular respiration enzymes. ATP, for instance, is a "stop" signal: high levels mean that the cell has enough ATP and does not need to make more through cellular respiration.
c) This is a case of feedback inhibition i in which a product feeds back to shut down its pathways.
explain why that set of graphs is mutualism, commensalisms or parasitism.
Uhhh PLEASE HELP!!!
Answers:
2nd set is mutualism
Explanation:
I think the second graph is mutualism, because since they are living together, they increase in their average # of organisms, which implies that since they live together, they help each-other.
Which is one piece of information that "9” gives about an atom of fluorine? The atomic mass is different than the atomic number, and the number of neutrons is the difference between the atomic mass and the atomic number. the atomic number the atomic mass the mass of protons the number of neutrons
Answer:
A.-The atomic number
Explanation:
Answer: A OR B
Explanation: hope this helps its A on edg
What happened to the marine life due to oil spill
Answer:
animals died and water was contaminated
Explanation:fish are meant to swim in water not oil
Rachael wants to test how sunlight impacts plant growth over time. She will add varying amounts of light to different sets of plants. What is the independent and dependable variable?
Answer:
Independent variable: varying amounts of light
Dependent variable: plant growth
Explanation:
The variable, which are factors that can be altered, in an experiment can either be independent or dependent. An independent variable is one in which the experimenter manipulates or controls in order to bring about an outcome. For this experiment conducted by Rachel, the independent variable is the VARYING AMOUNT OF LIGHTS.
The dependent variable is the variable that responds to changes of the independent variable. In other words, the dependent variable is the outcome of manipulating the independent variable. Hence, the dependent variable is dependent on the independent variable. For Rachel's experiment, the PLANT GROWTH is the dependent variable because it is what responds to changes in amount of light (independent variable).
What happens when the chlorophyll breaks down in the leaves? Help please, tysm if you do!
Answer:
Hey!
When the Chlorophyll breaks down, the leaves LOSE ITS GREEN COLOUR...this is then seen physically as when the leaves change colour in the Autumn...(red,,,yellow...orange etc)
Explanation:
This happens for so many reasons : *here's a couple*
LACK OF SUNLIGHT (reduced daytimes)
TEMPERATURE (as the temperature reduces, Photosynthesis processes slow down, so there's no need for excess Chlorophyll)
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Q1.2. Suppose you decide to design an experiment
to test your friend's hypothesis about classical
music and studying. How will you define your
variables?
O. Both study music and test performance are
potentially confounding variables.
Independent variable: study music. Confounding
variable: test performance.
Independent variable: study music. Dependent
variable: test performance.
Independent variable: test performance.
Dependent variable: study music.
Answer:
The correct answer is :
Independent variable: study music.
Dependent variable: test performance.
Explanation:
Independent variable in a experiment is a variable or a factor that is manipulated or changed in a particular experiment to see its the effect on dependent variable of this change. In this case classical music is variable as it is manipulated to see if it has any effect on studying.
Dependent variable is a variable which is measured in experiment to find the result and affected by the independent variable. In this case testing the performance of subject is dependent variable as it is being measured and affected by classical music.
Thus, the correct answer is: Independent variable: study music.
Dependent variable: test performance.
Identify the independent and dependent variables Mindy and her lab group are given 2 aloe vera plants as test subjects and are asked to create a testable hypothesis of their choice and design a scientific experiment to test that hypothesis. Mindy’s hypothesis is as follows: “If aloe vera plants receive no sunlight then they will die.” Mindy designs an experiment where she will take both plants and put them in a window next to one another and plant them in the same size pot with the same kind of soil and they will receive the same amount of water at the same times over the course of a month. One plant however will be kept in the sunlight while the other will have a box placed over it to prevent it from receiving any light
Answer:
Independent variable: Amount of sunlight
Dependent variable: Plant height
Explanation:
The independent variable is the one that a scientist intenionally changes in an experiment, while the dependent variable is the one that changes in response to the independent variable. In this case, the amount of sunlight given to each plant is intentionally varied so it is the independent variable, while the height of each plant depends on the amount of sunlight given so it is the dependent variable.
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carbon, nitrogen and phosphorus are examples of (compounds/nutrients/reservoirs/sediments).
Answer:
nutrients
Explanation:
A natural process in which elements are continuously cycled in various forms between different compartments of the environment (e.g., air, water, soil, organisms).
Carbon, Nitrogen, and Phosphorus are examples of nutrients. Thus, the correct option for this question is B.
What is the importance of nutrients?Nutrients are important for organisms in order to furnish the source of energy that is ultimately required by the animals for the accomplishment of metabolic functions like tissue repair, building, and growth of cells, reproduction, etc.
These nutrients form complex compounds like carbohydrates, fats, vitamins, minerals, proteins, etc. The function of each complex compound is very specific. For example, carbohydrate is known as energy-deriving molecules which deliver immediate energy to the cells of living organisms, proteins are required for cell and tissue repairment, etc.
Therefore, carbon, Nitrogen, and Phosphorus are examples of nutrients. Thus, the correct option for this question is B.
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how many mL of total fluid was ingested if a patient at 6 ounces of juice, 4 ounce water, 8 oz diet soda, 10 owns coffee, and 6 oz milk
Answer:
3075.65 mL to the nearest 2 decimal places
Explanation:
Add the ounces together:
(I'm assuming one cup of coffee is 8 ounces, 8 x 10 = 80)
6 + 4 + 8 + 80 + 6
= 104 ounces
Convert to mL
104 x 29.5735296
= 3075.6470784 mL
Which type of cells has a chloroplast?
Answer:
plant cell
Explanation:
Animal cells do not photosynthesize (with the exception of one animal but biology is INCREDIBLY diverse and creative.)
Which question could violate laws aimed at achieving equal employment opportunities?
A. What is your address?
B.what are your job skills?
C.what is your job history?
D. What is your religion?
Answer:
D. What is your religion?
Explanation:
I believe the answer would be D because this is the only question out of the options that could cause bias from the employer. Let's compare this to the other options.
For option A, knowing your address could be crucial information for the employer/company, and shouldn't cause bias or a reason for the employer to not agree.
For option B, knowing your job skills is also crucial information for the employer to know if you are fit for the job.
For option C, knowing your job history is similar to option B...the employer may need to know this information to know if you are fit for the job/if you have experience in this area of work.
Lastly for option D, knowing your religion should not be crucial information for an employer. This would violate laws aimed at achieving equal employment opportunities because this leaves room for the employer to use bias based on his/her religion.
What statement is true of all living organisms?
A-They shrink and divide
B-They develop but don't grow
C-They grow but don't develop
D-They grow and develop
Which is NOT a property of
electromagnetic waves?
A. Electromagnetic waves can travel through a vacuum.
B. Electromagnetic waves travel in straight lines.
C. Electromagnetic waves are longitudinal waves and travel
using compressions and rarefactions.
Answer:
B. Electromagnetic waves travel in straight lines.
Two autosomal genes control horn color in dragons. Pure-breeding gold-horned dragons were mated to pure-breeding silver-horned dragons. All of the F1 were gold. The F1 were intermated and the F2 generation consisted of 147 gold, 16 silver and 93 bronze. Choose the genetically based phenotypic ratio that should be hypothesized to explain the F2 data.
Answer:
The correct option for the phenotypic ratio in this case is the following
9 : 6 : 1
Explanation:
In order to calculate the ratio, divide the two larger numbers each by the smallest one - which here would be 17.
So, 147 ÷ 17 = 8.7 (rounded off to 9)
And 93 ÷ 17 = 5.6 (rounded off to 6)
This way, '17' is considered as 1. Hence,
Gold : silver : bronze
9 : 6 : 1
what's the important parts of earth's magnetic field
Answer:
The Main Field creates a cavity in interplanetary space called the magnetosphere, where the Earth's magnetic field dominates in the magnetic field of the solar wind. The magnetosphere is shaped somewhat like a comet in response to the dynamic pressure of the solar wind.
Explanation:
Which of the following is not a model organism?
a. Mus musculusCell
b. Drosophila melanogaster
c. Homo sapiens
d. Arabidopsis thaliana
e. Caenorhabditis elegans
Answer:
The correct option is c. Homo sapiens
Explanation:
All options stated are model organisms except Homo sapiens (that is, us humans). One of the conditions to be a model organism is to be easy to breed with in a laboratory setting, which is obviously not possible with humans. The rest (mice, plant, fruit fly, worm) are easy to maintain and have been extensively studied to broaden our understanding of biological processes.
Hom sapiens is not an example of model organisms.
Model organisms are organisms which are used for various studies and
experiments.
They are usually non-human such as insects, animals etc. They are usually
bred in the laboratory under specific conditions to obtain accurate data
about their functions.
It helps scientists in research works to understand biological and other
processes that takes place in them.
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If a honeybee is flying 7.0 m/s, what is the kinetic energy (Joules) if its mass is 0.1 g? *
Answer:
2.45 × 10^-3 Joules
Explanation:
Kinetic energy is the energy assumed by a moving object. The kinetic energy, which is measured in Joules (J) is calculated using the formula:
K.E = 1/2 mv^2
Where K.E= kinetic energy
m = mass ( 0.1 g)
v = velocity (7 m/s)
Since Joules is Kgm^2/s^2, the unit of mass must be kilograms (kg), and velocity must be in metre per seconds (m/s).
Hence, we need to convert 0.1 grams to kg by dividing by 1000
1000g = 1kg
0.1g = 0.1/1000 = 0.0001kg
K.E = 1/2 mv^2
K.E = 1/2 × 0.0001 × 7 × 7
K.E = 1/2 × 0.0049
K.E = 0.00245
Hence, K.E = 2.45 × 10^-3 Joules
Diversity of life on earth is included in which central and unifying theme of biology?
Answer:
Evolution
Evolution is considered a unifying theory of biology. It explains the unity and diversity of life.
1. Which of the following would be least likely to decrease your impact on the environment?
A. Buying used goods to preserve natural resources
B. Eating seafood instead of cattle, because animal agriculture requires more resources
C. Eating less meat, because animal agriculture accounts for 9% of global greenhouse gas emissions
D. MChecking for sustainable seafood labels at the grocery store to prevent overfishinh
Answer:
A. Buying used goods to preserve natural resources
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Unipolar neurons carry ____________ information from the PNS to the CNS
Answer: " sensory " .
______________________________________________
Explanation:
Unipolar neurons known as "motor neurons" [or "afferent neurons"] carry sensory information from {tissues and organs in the PNS
["peripheral nervous system"] to the CNS ["central nervous system".].
______________________________________________
A solution that is hypotonic to a cell has
Answer:
more solvent molecules than solute molecules
What are the two main reasons for variation between organisms of the same species?
. A. Adaptation and Environment
B. Inheritance and Mutation
C. Inheritance and Environment
D. Genetics and Mutation
the two main reasons for variation between organisms of the same species are
Inheritance and mutation
Inheritance is the process by which genetic information is passed on from parents to childa mutation is a change in a genetic sequence. it includes changes in nucleotide base with another nucleotide base.as in same species no of chromosomes are same but variation occurs in genetic sequence so variation occurs in organisms.