Answer: D. biological mutagens
Explanation:
Match the following methods of movement with the appropriate protozoan?
Cilia. Paramencium
Flagellum. Euglena
Pseudopodia. Amoeba
The methods of movement with the appropriate protozoan include:
Cilia - ParameciumFlagellum - EuglenaPseudopodia - AmoebaWhat is a Protozoa?These are organisms which are classified under single-celled eukaryotes and examples include amoeba etc.
They all move from one place to another in search of food with the use of structures such as cilia etc.
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One would expect well-drained soils to have the highest organic matter contents where the climate is?
One would expect well-drained soils to have the highest organic matter contents where the climate is cool and humid.
What is organic matter?Reducing or eliminating tillage, which triggers a microbial action burst that hastens the decomposition of organic matter and raises erosion. Reduce erosion by taking the necessary action. SOM is mainly found in topsoil.The topsoil is the soil's topmost layer. The majority of the biological soil activity on Earth takes place there because it has the highest concentration of organic materials and bacteria.The topsoil is where most of the biological activity in the soil takes place and has the highest concentration of organic matter and nutrients. Without residue or living cover, soil is vulnerable to erosion.Histosols are soils that are rich in organic materials and unbroken plant matter.
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Study these images.
3
2
4
Which image shows a nonrenewable resource?
01
02
03
04
The image that shows a nonrenewable resource is 1.
What are nonrenewable resources?They are resources that are used at a much faster rate than they can be ever replenished, if at all.
Image 1 shows the burning of cooking gas. Cooking gas is a natural gas whose deposits cannot be replenished once they are used up.
Images 2, 3, and 4 are that of different crops. These can be planted and replenished at different times.
Thus, image 1 is a nonrenewable resource'
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Answer: 1
Explanation:
Gas is non renewable
Which of the following describes the impact on human health from global climate change?
A) Excess greenhouse gases will cause competition among vectors for hosts, and the vectors will die off.
B) Global climate change will result in the warming of cooler regions and will increase the spreading of disease.
C) Melting glaciers will keep regions too cold and prevent vectors from migrating to these regions.
D) Warmer climates will prevent vectors from traveling to new regions and infecting more humans.
Answer: B
Explanation: B) Global climate change will result in the warming of cooler regions and will increase the spreading of disease.
Answer:
B) Global climate change will result in the warming of cooler regions and will increase the spreading of disease.
Explanation:
It will be right on the quiz. Have a great, meaningful, and productive day, fellows!
look at the picture
I will leave your question unanswered. Thanks for the points I stole from you!
What is the correlation between population density and body size?
Answer:
Density is related approximately reciprocally to individual metabolic requirements, indicating that the energy used by the local population of a species in the community is independent of its body size.
What is the best description of the word ‘Variation’ in biology?
A. Differences between individuals of a species, and between different species.
B. Change over time of a species.
C. The differences between different parts of the same organism.
D. A large group of completely different items.
Which of the following greenhouse gases result from burning fossil fuels?
A. carbon dioxide.
B. methane
C. nitrous oxide.
D. All of these choices are correct.
Answer:
D. All of these choices are correct.
Explanation:
Greenhouse gases are gases that are trapped in the Earth's atmosphere and absorb energy. These gases, which include carbon dioxide, methane, and nitrous oxide, are all released when fossil fuels are burned.
A student is conducting their science experiment on the effect of caffeine on dogs. He has 3 groups of test subjects.
The 1st group of dogs receives plain water. The 2nd group of dogs receives 10 mg of caffeine each, and the 3rd
group receives 50 mg of caffeine each. He will measure their activity levels by recording how long each dog runs
without stopping, after giving them the pills. What could be evaluated in this experiment to ensure reliability?
A. If the dogs are different breeds, their activity levels could be different because of their breed and not the caffeine.
• B. The test subjects are dogs and not people, so their data is unreliable.
C. The different amounts of caffeine given could lead to different activity levels which would throw off the result of the experiment.
C D. The group that receives water will be an outlier and throw off the best fit line.
If the dogs are different breeds, their activity levels could be different because of their breed and not the caffeine. The correct option is A.
Reliability of experimentsIn order for the outcomes of scientific experiments to be reliable, constant variables should be kept constant.
In the illustrated experiments, the breed and age of the experimental dogs have to be the same. It is one of the variables that have to be kept constant throughout the experiment.
If the dogs are different breeds, their activity levels could be different because of their breed and not the caffeine. The same thing is applicable to different ages.
Thus, evaluating this variable and doing right by it will ensure reliability.
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6. What asexual reproduction process is utilized by Eubacteria?
A. binary fission
B. RNA production
C. ribosome creation
D. agamogenesis
Insulin is an important hormone that allows the body to use glucose from food. After an individual eats a meal, glucose travels through the blood stream and reaches beta cells in the pancreas. The glucose causes the beta cells to release insulin. Insulin then travels through the blood stream and attaches to insulin receptors on other cells, which allows them to take in glucose and use it for energy.
What does this information best demonstrate?
A.
Cells interact with other cells for regulation and homeostasis.
B.
A hormone is a protein that performs many functions in the body.
C.
Only certain cells can use glucose to produce energy.
D.
Beta cells are not necessary for glucose to be utilized.
The best-demonstrated information is
A. Cells interact with other cells for regulation and homeostasis.
C. Only certain cells can use glucose to produce energy.
One of the important hormones in the human body is insulin. How the human body uses food to meet its energy needs is explained by knowledge of insulin and its workings.
Typically, food-derived glucose that enters the bloodstream is what causes blood sugar levels to rise. The pancreas is a gland that aids in the release of insulin to regulate blood sugar levels. Based on the blood sugar level, insulin often releases itself in a feedback system.
The insulin mechanism best exemplifies the following:
Together with glucagon, insulin contributes to the maintenance of the constant condition known as homeostasis in the human body.Considered essential for cells to use glucose and obtain energy is insulin.As a result, the mechanism of insulin in the human body shows how various cells use energy and how insulin is crucial for preserving homeostasis.
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Which of these actions can individuals do to reduce pollution? Select all that apply.
using an electric lawn mower
turning up the air conditioner
using mass transportation
refilling car gas tanks in the evening
burning trash and leaves
Using mass transportation can reduce pollution
The movement of people within metropolitan areas utilizing mass transit, often known as mass transportation or public transportation, includes buses and trains.
Mass transportation allows for movement, can influence how land is used and how development takes place, help to create jobs and promote economic expansion, and support governmental regulations pertaining to energy use, air quality, and carbon emissions.
The ability for trade, commerce, and communication that create civilization is the significance of mass transportation. Good planning controls traffic flows and makes it possible for people to go from one place to another quietly and steadily.
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Classify the following organisms as eubacteria,archebacteria, Protists,fungi or other
Eubacteria and archaebacteria are organisms from the Archaea domain, whereas protists and Fungi belong to the Eukarya domain.
What are prokaryotic organisms?Prokaryotic organisms such as eubacteria (E coli) and archaebacteria (methanogens) are unicellular microorganisms whose cells do not have a cell nucleus.
Conversely, eukaryotic cells such as protists (giardia lamblia) and fungi (Yeast) have the genetic material inside the cell nuclei and membrane-bound organelles.
In conclusion, eubacteria and archaebacteria belong to Archaea, whereas protists and Fungi belong to Eukarya.
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What type of body form of Cnidarians are tubular shaped and attach themselves to a firm surface?
A. polyp
B. medusa
C. nematocyst
D. spicule
The correct answer is Option A: polyp
Polyps are tubular body shapes of cnidarians that are attached to a firm surface.
What are cnidarians?Cnidaria or Coelenterata is a phylum of aquatic animals most of which are marine. Any organism under this phylum is called a cnidarian.These have special cells called cnidocytes (stinging cells) which help to capture prey.Examples of this group are the corals, jellyfish, hydra, sea anemone.Cnidarians have two types of body forms the polyp and the medusa which change during the life cycle of the animal. Some have only one type of body form throughout their life.The polyp is tubular and sessile, usually attached to a firm surface.Medusa (Jellyfish) is bell shaped and motile having tentacles hanging out at the margins.Spicules are sharp needle like shapes embedded in the sponges which help in defense.Nematocysts are large organelles produced as a secretory vessel from Golgi within cells called nematocyte in cnidarians.Learn more about polyp and medusa here:
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DESCRIBE the importance of microorganisms (including
bacteria) and what would happen if all microorganisms would suddenly disappear from the pond?
Answer:
corals which depend on microscopic agale and a surprisingly diverse collection of bacteria would become week and vulnerable. there mighty reefs would Bleach and edore and all life they support with suffer humans oddly would be fine
Why will other ecosystems be affected if freshwater ecosystems dry up?
Other ecosystems will lose access to fresh water.
Other ecosystems will lose the species that live there.
Other ecosystems will be flooded.
Other ecosystems will have to rely on salt water
Answer: a
Explanation:
The liquid portion of the blood that consists of about 55% of the total volume of blood is referred to as ________.
stem cells
leukocytes
plasma
platelets
The Smokey the Bear campaign attempted to suppress and eliminate wildfires from forested areas altogether. Explain how fire suppression can negatively impact the health of a forest ecosystem?
A. Suppression allows weaker, more vulnerable trees that would have been weeded out by fire to survive.
B. Suppression leads to less diversity of tree species, so beetles spread more quickly between trees.
C. Suppression leads to equal/even-age stands of mature trees, which the beetles prefer.
1. Naturally occurring wildfires are most frequently caused by lightning
2. NATURAL forest fires can temporarily increase fertility of a region
3. burning process releases nutrients which then fertilize the soil.
3a. fire chemically converts nutrients bound in dead plant tissues and the soil surface to more available forms
3b. fire indirectly increases mineralization rates through its impacts on soil microorganisms (Schoch and Binkley 1986).
4. slash and burn process successfully clears land for agriculture and introduces fertilizing nutrients into the soil, leaving it in excellent condition to grow crops.
AP ENVIRONMENTAL SCIENCE
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Please match the correct term to the definition or region. 1. Pelagic Environment
Pelagic Environment; The upper neritic zone of the pelagic ecosystem. Phytoplankton may be supported at depths up to 150 meters below the surface. This is further explained below.
What is Pelagic Environment?Generally, The whole water column is considered to be part of the pelagic ecosystem.
In conclusion, The availability of nutrients and dissolved oxygen, as well as the presence or lack of sunshine, water temperature, salinity, and pressure, influence the distribution of pelagic life in different regions and at different depths.
CQ
The pelagic environment comprises the entire water column. Of all the inhabited environments on Earth, it is by far the largest and most diverse.
Please match the correct term to the definition of region
a. Zooplankton
b. Pelagic environment
c. Oarweed
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What happens when a coral pushes out the algae that live there?
coral cooling
coral bleaching
algae bloom
coral warming
describe the effects of altitude and latitude on the distribution of biomes
Answer:
As latitude and altitude increase, biomes and vegetation change. Trees of tropical rainforests usually grow closer to the equator, while mosses and lichen of the tundra grow closer to the poles.
Latitude determines the amount of sunlight received. The amount of sunlight and the amount of moisture received determines the ecosystem or biome. Biomes are partly determined by altitude. More precisely, biomes are mainly determined by temperature and precipitation, and the altitude can affect both temperature and precipitation. The temperature drops as the altitude increases. This would alter the structure and composition of our biome.
PLS HELP ME BIN ON THIS ONE FOR HOURS WILL GIVE 80 PONITS IF ANSWER
Explain how you would use the number line to solve the following equation. You can write out the fraction names or use the forward slash (/) on your keyboard to represent the fraction bars.
four and two eighths minus two and five eighths equals
a number line from zero to three with a tick on every eighth
subject: science
Answer:
55/8 as a mixed fraction
Explanation:
4 2/8 - 2 5/8 = ?
Four and two-eighths can be represented as a mixed number by multiplying (4x8+2)/8 = 34/8
Two and five-eighths can be represented as a mixed number by multiplying (2x8+5)/8 = 21/8
Then, these two values can be easily added. 34+21 = 55/8
You can plot this on a number line by also representing these mixed fractions as a decimal, and then adding them - you can draw lines to represent the addition process.
Since the number line already represents a tick on every eighth (which is the fraction you would primarily be using), this will make it earlier.
Which of these is most likely to occur soon after an individual eats a meal?
[tex] \\ \\ [/tex]
=> Your body breaks down carbohydrates quickly, and glucose travels directly through the walls of your intestines and into your blood.
. How are taigas being impacted by global climate change?
The area where trees grow is shifting.
Invasive species are destroying plants.
Less water is available.
Glaciers are melting.
Taigas are in danger as a result of climate change in various ways. The frozen layer below earths surface is partially melting as a result of the warming environment.
More of the taiga is being occupied by muskegs as a result of this water's lack of a drainage system.Deforestation brought on by logging and clear-cutting poses the biggest threat to the taiga. Timber is obtained using these techniques for the production of wood and paper goods. In order to build cities, forests are also destroyed, which might fragment habitats.In boreal coniferous forests, more forest fires are occurring more frequently as a result of global warming. This implies that deciduous trees, which often only show up as pioneer species, may eventually come to dominate the landscape.learn more about taigas here:
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Name one function of this cell
Answer:
First responders of the innate immune system to prevent/reduce spread of infection through the metabolism of microorganisms (usually bacteria and fungal infection)
Explanation:
This cells is a neutrophil which you can identify through the multilobed nucleus (the 4 bright red lobes). Additionally, you can identify the type of cell by the fact that it has granules (the small circles).
Claim and evidence:
What would happen to the effectiveness of an original vaccination if a mutation in the virus caused the protein spike to change ?
Make a claim that answers the question, then support that claim with evidence. What did you learn about mutations that would support your claim ?
Answer__________________
______________________
____________________
________________________
____________
It would happen that the effectiveness of an original vaccine could become less if there was a mutation in the virus that caused the protein spike to change because the antibodies created would not be specific for the new virus.
What would happen to the mutated virus?Vaccines trigger an immune response to fight disease-causing organisms, a mutation in the virus to be fought would change the effectiveness of this immune response, as the specificity would not be the same with the mutant virus.
With this information, we can conclude that The immune response would not be specific for the new virus that caused the protein spike to change.
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Hypothesis: If cells are viewed under higher magnification, then more cell organelles will be seen.
The hypothesis is false. Higher magnifications only increase the details of organelles, not increase the number.
Microscope's MagnificationAt lower magnifications, cells on slides are brought into focus and the organelles are seen but not in detail.
At higher magnifications, the organelles of cells appear bigger and can be studied in more detail compared to at lower magnifications.
Thus, higher magnifications do not increase the number of organelles that will be seen, but their details.
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Elevated levels of which of the following would increase the risk for atherosclerosis,
which could eventually lead to heart attack or stroke?
A. LDL cholesterol
B. HDL cholesterol
C. Statins
D. Insulin
The elevated level of HDL cholesterol would increase the risk for atherosclerosis, which could eventually lead to heart attack or stroke.
The blood flow is obstructed by a buildup of cholesterol plaque in the artery walls. The artery may suddenly become blocked by a clot when plaques burst. Atherosclerosis frequently goes unnoticed until a plaque bursts or the buildup becomes severe enough to obstruct blood flow. Exercise and a nutritious diet may be beneficial. Medication, artery-clearing surgery, and other forms of treatment are available. A CT scan of the heart called a "coronary calcium scan" quantifies the calcium content of the coronary artery walls. Atherosclerosis or coronary heart disease are indicated by calcifications, a buildup of calcium. Hospitals or medical imaging centers may do a coronary calcium scan.
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Answer:
LDL cholesterol
Explanation:
There are two types of cholesterol. LDL is considered "bad" cholesterol, and clogs arteries, while HDL is often referred to as "good" cholesterol and helps break up LDL. Statis are medications people can take that raise HDL levels. Hope this helps.
What does longitude tell you?
A. How far south you are
B. How far north you are
C. How high up you are
D. How far east you are
Answer:
D
Explanation:
longitude, coordinate system by means of which the position or location of any place on Earth’s surface can be determined and described.
if it is lined from north to south it measures east to west that is why i say d
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Make sure the answers to all four questions are correct. 100% correct answer. Thank you
Chicken, beef, pork, and egg are sources of protein from most efficient to least efficient.
option(a) and option(b) i.e, being an informed consumer and buying locally farmed produce supports sustainable agriculture.
overnutrition is consuming more calories than necessary. undernutrition is consuming less calories than necessary. malnutrition is not consuming enough food to gain specific nutrients needed to sustain life.
option ( a, b, e, f, i, and j ) are risks of using pesticides.
Large biomolecules and macromolecules known as proteins are made up of one or more extended chains of amino acid residues. It aids in cell regeneration and repair in your body.
Sustainable agriculture is the practice of farming in a way that satisfies society's current demands for food and textiles without endangering the ability of present or future generations to meet their own needs. It might be founded on knowledge of ecosystem services.
The biochemical and physiological process by which an organism uses food to sustain its life is known as nutrition. Consumption, absorption, assimilation, biosynthesis, catabolism, and excretion are all included. Nutritional science is the field of study that focuses on the physiological aspects of nutrition.
Pest control agents are compounds known as pesticides. Insecticide, nematicide, molluscicide, piscicide, avicide, rodenticide, bactericide, insecticide, animalized, microbicide, fungicide, and lampricide are some examples of these.
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