Food Chains and Food Webs

Food Chains and Food Webs

Assessment

Flashcard

Science

3rd - 4th Grade

Easy

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15 questions

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1.

FLASHCARD QUESTION

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.

2.

FLASHCARD QUESTION

Front

What happens to predators if prey is removed from a food chain?

Back

All predators above the removed prey will die or suffer due to lack of food.

3.

FLASHCARD QUESTION

Front

What is the impact of introducing a new predator to an ecosystem with a large prey population?

Back

The prey population may decrease as the new predator hunts them.

4.

FLASHCARD QUESTION

Front

What are examples of decomposers in an ecosystem?

Back

Bacteria, fungi, and worms are common examples of decomposers.

5.

FLASHCARD QUESTION

Front

Where does the energy in a food chain originate?

Back

The energy in a food chain starts from the Sun.

6.

FLASHCARD QUESTION

Front

What is a food chain?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.

7.

FLASHCARD QUESTION

Front

What is a food web?

Back

A food web is a complex network of interconnected food chains in an ecosystem.

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