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Ecosystem and Energy Flow

Authored by Lisa Thompson

Science

7th Grade

NGSS covered

Ecosystem and Energy Flow
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the role of phosphorus in ecosystems?

It limits productivity in oceans

It limits productivity in freshwater ecosystems

It is not important

It only affects the atmosphere

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the following is NOT a 1st level consumer

grasshopper

scorpion

rabbit

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If there are 1,000 kilocalories of energy available at the producer level, how much energy will be available at the 3rd consumer level

1 kcal

10 kcal

100 kcal

Tags

NGSS.MS-LS2-3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a series of events in which one organism eats another and obtains energy?

food web

food chain

energy pyramid

Tags

NGSS.MS-LS2-3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the source of all the food in an ecosystem

consumers

decomposers

producers

Tags

NGSS.MS-LS2-3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How does the amount of energy change as it moves up an energy pyramid

it increases

it decreases

it stays the same

Tags

NGSS.MS-LS2-3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What breaks down biotic wastes and dead organisms and returns the raw materials to the ecosystem

a decomposer

a producer

a consumer

Tags

NGSS.MS-LS2-3

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