CRT Review Semester 1
CRT Biology Semester 1 Review 35 questions
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C. CExplanation
For this to be a fair test, the size of the paper circles must be CONSTANT. They must be the same size.Rate this question:
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A. AExplanation
The group that does not get the medicine serves as the CONTROL, because that's what you compare the experimental group to.Rate this question:
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D. DExplanation
The CONSTANTS are the things that are kept the same to make a fair test.Rate this question:
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D. DExplanation
It's the thing that is measurable.Rate this question:
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A. AExplanation
The number of Euglena increase in the light. This is probably because they need light to make energy.Rate this question:
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C. CExplanation
The light decreases at greater depths. On sunny days, the light is more intense and travels further in the water.Rate this question:
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B. BExplanation
Plants photosynthesize and make sugar from CO2, water, and sunlight. Without sunlight, photosynthesis cannot occur.Rate this question:
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D. DExplanation
A population is a group of the same species. A community is a group of many populations of different organisms.Rate this question:
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C. CExplanation
Algae make their food from sunlight by using photosynthesis. They are called PRODUCERS because they produce their own food.Rate this question:
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B. BExplanation
Decomposers such as bacteria and fungi break down organic material and return it to the soil. They are not shown in the picture.Rate this question:
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A. AExplanation
A food web shows the interconnectedness of the food relationships. An ecosystem includes the ABIOTIC factors, so is not the right answer.Rate this question:
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A. AExplanation
Precipitation, evaporation, condensation and transpiration are all parts of the WATER CYCLE.Rate this question:
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B. BExplanation
Transpiration is the movement of water (H2O) from the stomata in plant leaves into the atmosphere. It is part of the WATER CYCLE.Rate this question:
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A. AExplanation
Energy always flows to the consumer. 90% is lost as heat.Rate this question:
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B. BExplanation
It's the J part of the curve at the beginning.Rate this question:
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C. CExplanation
They don't grow as well together because they are trying to get the same resources. They end up hurting each others' growth.Rate this question:
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C. CExplanation
Water availability is an ABIOTIC factor. (Water is not alive).Rate this question:
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C. CExplanation
The graph shows neither a decrease or increase during this time.Rate this question:
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B. BExplanation
Carrying capacity is the point at which growth levels off.Rate this question:
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A. AExplanation
Since only 10% of the energy flows up to the next level, only a small amount of available energy in an ecosystem makes it to the top. Since the coyote is the top consumer in this system, it gets the LEAST energy.Rate this question:
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B. BExplanation
P. aurelia is better adapted to grow in this competitive environment.Rate this question:
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D. DExplanation
A CONTROL group is needed.Rate this question:
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A. AExplanation
Hawks and owls are the top consumers.Rate this question:
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D. DExplanation
Animals use oxygen and breathe OUT carbon dioxide.Rate this question:
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B. BExplanation
The rule of 10% says that only 10 percent of the energy available flows up to the next level.Rate this question:
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IGNORE CHOICE A AND B AT THE TOP
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C. CExplanation
the omnivore would also eat grass as well as everything else.Rate this question:
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B. BExplanation
The plants are the producers. The insects are the primary consumers. The fish and other carnivores are secondary consumers. The bass are tertiary consumers.Rate this question:
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Mar 15, 2023Quiz Edited by
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Dec 07, 2010Quiz Created by
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