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Cooper's Trophic Levels-9-9-26

Cooper's Trophic Levels-9-9-26

Assessment

Presentation

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Science

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4th Grade

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Practice Problem

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Medium

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NGSS
MS-LS2-3, MS-LS2-4, MS-LS2-2

+6

Standards-aligned

Created by

Amanda Cooper

Used 6+ times

FREE Resource

13 Slides • 12 Questions

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6

Multiple Choice

Question image

Which organism do the owl and the weasel compete for in the food web?

HINT: Arrows show flow of energy.

1
Hawk
2
Spider
3
Grasshopper
4
Shrew

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Multiple Choice

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What would happen to the bird if the green fish died out?

1

the bird population would grow

2

the bird population would die out

3

the smaller fish will die out

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Multiple Choice

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PART A

A food web is shown in the energy pyramid. What does the pyramid show about the organisms at each level?

1
Only producers receive energy from the Sun.
2
Each level contains the same amount of energy.
3

The amount of energy available decreases as you move up the pyramid.

4
The amount of energy available increases as you move up the pyramid.

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Open Ended

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Part B:
Use evidence from the energy pyramid to explain why organisms at the top level have less available energy than organisms at the bottom level.

13

Multiple Choice

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What is included in the first trophic level and why are they critical to being the first link?


1
Herbivores, as they are the main consumers in the ecosystem.
2

Primary producers, which are critical as they create their own food.

3
Carnivores, since they are the top predators in the food chain.
4
Decomposers, because they break down dead organic matter.

14

Dropdown

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The second trophic level includes the herbivores. They are also known as ​
.


15

Multiple Choice

READ CAREFULLY!

Which of the following trophic levels contains organisms that consume only plant materials?


1
Secondary consumers (carnivores)
2
Decomposers (fungi and bacteria)
3
Producers (plants)
4
Primary consumers (herbivores)

16

Multiple Choice

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This question is confusing! Look CAREFULLY at the image. What trophic level is the PRIMARY consumer?

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1st

2

2nd

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3rd

4

4th

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Labeling

Energy is lost as you go up in trophic levels. 10 % at each step. 


Now its your turn!

Drag labels to their correct position on the image

1,000 energy units

100 energy units

10 energy units

1 energy unit

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Labeling

Name the organism in each trophic level.

Drag labels to their correct position on the image

Snake

Hawk

Rabbit

Grass

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Labeling

Label your energy units.

Drag labels to their correct position on the image

20,000 energy units

2,000 energy units

200 energy units

20 energy units

23

Multiple Choice

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A student makes a model of an energy pyramid by stacking cups as shown. The producers are represented by the bottom level of four cups.

How much energy will be obtained at the top of this energy pyramid if the cups representing the primary consumers have 37,000 kilojoules (kJ) of energy?

1

37,000 kJ

2

3,700 kJ

3

370 kJ

4

3.7 kJ

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