Ecosystems Review

Ecosystems Review

Assessment

Flashcard

Science

4th 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 an ecosystem?

Back

An ecosystem is a community of living organisms (plants, animals, and microorganisms) interacting with their physical environment (air, water, soil).

2.

FLASHCARD QUESTION

Front

What do plants need to make their own food?

Back

Plants need sunlight, carbon dioxide, and water to make their own food through a process called photosynthesis.

3.

FLASHCARD QUESTION

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose (food) and oxygen.

4.

FLASHCARD QUESTION

Front

What role do plants play in an ecosystem?

Back

Plants produce oxygen and food, serve as habitats for animals, and help maintain soil health.

5.

FLASHCARD QUESTION

Front

What is a food web?

Back

A food web is a complex network of feeding relationships among organisms in an ecosystem.

6.

FLASHCARD QUESTION

Front

What happens if a species in a food web decreases?

Back

If a species decreases, it can affect the entire food web, leading to increases or decreases in other species populations.

7.

FLASHCARD QUESTION

Front

What is a producer in an ecosystem?

Back

A producer is an organism, like a plant, that can make its own food using sunlight.

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