Food Web and Pyramids

Food Web and Pyramids

Assessment

Flashcard

Biology

9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a food web?

Back

A food web is a complex network of interconnected food chains that shows how energy and nutrients flow through an ecosystem.

2.

FLASHCARD QUESTION

Front

What is the highest trophic level in a food web?

Back

The highest trophic level is occupied by apex predators, which have no natural enemies, such as eagles.

3.

FLASHCARD QUESTION

Front

What role do decomposers play in a food web?

Back

Decomposers break down dead organic matter, returning nutrients to the soil and making them available for producers.

4.

FLASHCARD QUESTION

Front

What happens to energy as it moves up trophic levels?

Back

Energy decreases as it moves up trophic levels due to energy loss through metabolic processes and heat.

5.

FLASHCARD QUESTION

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web that indicates the flow of energy and nutrients.

6.

FLASHCARD QUESTION

Front

What is the primary source of energy for most ecosystems?

Back

The primary source of energy for most ecosystems is the sun.

7.

FLASHCARD QUESTION

Front

How does the removal of a species affect a food web?

Back

Removing a species can disrupt the balance of the food web, leading to population increases or decreases in other species.

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