Ecosystems: Food Chains, Webs, & Energy Pyramids

Ecosystems: Food Chains, Webs, & Energy Pyramids

Assessment

Flashcard

Science

7th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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16 questions

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1.

FLASHCARD QUESTION

Front

What is a Decomposer?

Back

Organisms that break down dead or decaying organisms, returning nutrients to the ecosystem.

2.

FLASHCARD QUESTION

Front

Why do so many arrows lead back to detritus in a food web?

Back

Because everything eventually dies.

3.

FLASHCARD QUESTION

Front

How do producers obtain energy?

Back

They conduct photosynthesis.

4.

FLASHCARD QUESTION

Front

What are Biotic factors?

Back

Biotic factors are living organisms or were once living.

5.

FLASHCARD QUESTION

Front

What is a Trophic level?

Back

The feeding position in a food chain, food web, or energy pyramid.

6.

FLASHCARD QUESTION

Front

What is a Food Chain?

Back

A linear sequence of organisms where each is eaten by the next in the chain.

7.

FLASHCARD QUESTION

Front

What is a Food Web?

Back

A complex network of interconnected food chains in an ecosystem.

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