8.L.3 Ecology EOG review

8.L.3 Ecology EOG review

Assessment

Flashcard

Science

8th 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 the role of nitrogen-fixing bacteria in the ecosystem?

Back

They convert atmospheric nitrogen into molecules that other organisms can use.

2.

FLASHCARD QUESTION

Front

What happens to energy as it moves through an energy pyramid?

Back

Energy decreases as it is lost as heat to the environment.

3.

FLASHCARD QUESTION

Front

What type of relationship exists between organisms of two different species that live together in direct contact?

Back

Symbiotic relationship.

4.

FLASHCARD QUESTION

Front

How does a drought affect an ecosystem?

Back

It affects all organisms in a particular ecosystem.

5.

FLASHCARD QUESTION

Front

What factor was most likely affecting the fish when half of them were removed from a tank?

Back

Space.

6.

FLASHCARD QUESTION

Front

Define an ecosystem.

Back

An ecosystem is a community of living organisms interacting with their physical environment.

7.

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.

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