CRT REVIEW SEMESTER 1

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Mrsstarkweather

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Quizzes Created: 3 | Total Attempts: 12,814

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1/35 Questions

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About This Quiz

The CRT REVIEW SEMESTER 1 quiz is designed to assess knowledge in electronics, focusing on critical technical concepts. It helps learners evaluate their understanding and See morereadiness in electronics, preparing them for advanced studies or professional applications.

Questions and Answers

2.
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Correct Answer

A. A

Explanation

The group that does not get the medicine serves as the CONTROL, because that's what you compare the experimental group to.

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3.
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Correct Answer

A. D

Explanation

The CONSTANTS are the things that are kept the same to make a fair test.

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4.
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Correct Answer

A. D
5.
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Correct Answer

A. D

Explanation

It's the thing that is measurable.

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6.
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Correct Answer

A. A

Explanation

The number of Euglena increase in the light. This is probably because they need light to make energy.

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7.
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Correct Answer

A. D
8.
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Correct Answer

A. C

Explanation

The light decreases at greater depths. On sunny days, the light is more intense and travels further in the water.

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9.
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Correct Answer

A. B

Explanation

Plants photosynthesize and make sugar from CO2, water, and sunlight. Without sunlight, photosynthesis cannot occur.

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10.
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Correct Answer

A. D

Explanation

A population is a group of the same species. A community is a group of many populations of different organisms.

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11.
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Correct Answer

A. C

Explanation

Algae make their food from sunlight by using photosynthesis. They are called PRODUCERS because they produce their own food.

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12.
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Correct Answer

A. B

Explanation

Decomposers such as bacteria and fungi break down organic material and return it to the soil. They are not shown in the picture.

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13.
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Correct Answer

A. A

Explanation

A food web shows the interconnectedness of the food relationships. An ecosystem includes the ABIOTIC factors, so is not the right answer.

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14.
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Correct Answer

A. A

Explanation

Precipitation, evaporation, condensation and transpiration are all parts of the WATER CYCLE.

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15.
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Correct Answer

A. B

Explanation

Transpiration is the movement of water (H2O) from the stomata in plant leaves into the atmosphere. It is part of the WATER CYCLE.

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16.
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Correct Answer

A. A

Explanation

Energy always flows to the consumer. 90% is lost as heat.

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17.
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Correct Answer

A. B

Explanation

It's the J part of the curve at the beginning.

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18.
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Correct Answer

A. C

Explanation

They don't grow as well together because they are trying to get the same resources. They end up hurting each others' growth.

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19.
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Correct Answer

A. C

Explanation

Water availability is an ABIOTIC factor. (Water is not alive).

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20.
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Correct Answer

A. B
21.
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Correct Answer

A. C

Explanation

The graph shows neither a decrease or increase during this time.

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22.
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Correct Answer

A. B

Explanation

Carrying capacity is the point at which growth levels off.

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23.
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Correct Answer

A. A

Explanation

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.

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24.
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Correct Answer

A. A
25.
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Correct Answer

A. B

Explanation

P. aurelia is better adapted to grow in this competitive environment.

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26.
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Correct Answer

A. D
27.
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Correct Answer

A. A
28.
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Correct Answer

A. B
29.
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Correct Answer

A. D

Explanation

A CONTROL group is needed.

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30.
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Correct Answer

A. A

Explanation

Hawks and owls are the top consumers.

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31.
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Correct Answer

A. D

Explanation

Animals use oxygen and breathe OUT carbon dioxide.

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32.
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Correct Answer

A. A
33.
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Correct Answer

A. B

Explanation

The rule of 10% says that only 10 percent of the energy available flows up to the next level.

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34.

IGNORE CHOICE A AND B AT THE TOP
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Correct Answer

A. C

Explanation

the omnivore would also eat grass as well as everything else.

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35.
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Correct Answer

A. B

Explanation

The plants are the producers. The insects are the primary consumers. The fish and other carnivores are secondary consumers. The bass are tertiary consumers.

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