Chapter 4

Chapter 4

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

- Jonathan

FREE Resource

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10 questions

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1.

FLASHCARD QUESTION

Front

What is an ecosystem?

Back

A community of living organisms interacting with their environment, including both living & non-living factors.

2.

FLASHCARD QUESTION

Front

What is a producer in an ecosystem?

Back

An organism, usually a plant, that creates energy through photosynthesis and serves as the base of the food chain.

3.

FLASHCARD QUESTION

Front

What is an invasive species?

Back

A non-native species that enters an ecosystem and causes harm to the native species or the ecosystem's balance.

4.

FLASHCARD QUESTION

Front

How do invasive species harm ecosystems?

Back

They can outcompete native species for resources, disrupt food chains, and alter habitats.

5.

FLASHCARD QUESTION

Front

What is the role of decomposers in an ecosystem?

Back

They break down dead organisms and recycle nutrients back into the environment.

6.

FLASHCARD QUESTION

Front

What is the primary source of energy in most ecosystems?

Back

Sunlight

7.

FLASHCARD QUESTION

Front

What is bioaccumulation?

Back

The build-up of harmful substances, such as toxins, in the tissues of organisms over time.

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