Flashcard on Food Webs and Energy Pyramids

Flashcard on Food Webs and Energy Pyramids

Assessment

Flashcard

Science

9th Grade

Hard

Created by

Brian Murphy

FREE Resource

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21 questions

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1.

FLASHCARD QUESTION

Front

What is the primary source of energy in an ecosystem?

Back

The sun

2.

FLASHCARD QUESTION

Front

In an energy pyramid, where are the producers located?

Back

At the bottom

3.

FLASHCARD QUESTION

Front

What percentage of energy is transferred from one trophic level to the next?

Back

10%

4.

FLASHCARD QUESTION

Front

Why does the energy pyramid get smaller as you move up?

Back

Energy is lost as heat

5.

FLASHCARD QUESTION

Front

What happens to the 90% of energy that is not transferred to the next trophic level?

Back

It is lost as heat or used in life processes.

6.

FLASHCARD QUESTION

Front

Which organisms receive 100% of their energy from the sun? Options: Consumers, Decomposers, Producers, Predators

Back

Producers

7.

FLASHCARD QUESTION

Front

Why are populations of species higher in the pyramid relatively small?

Back

They have less energy available

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