Change is Constant -Practice Set # 1

Change is Constant -Practice Set # 1

Assessment

Flashcard

Science

6th - 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 a food chain?

Back

A food chain is a sequence that shows how energy and nutrients flow from one organism to another in an ecosystem, starting from producers to various levels of consumers.

2.

FLASHCARD QUESTION

Front

Define predator and prey.

Back

A predator is an animal that hunts and eats other animals (prey). Prey are the animals that are hunted and eaten by predators.

3.

FLASHCARD QUESTION

Front

What is population dynamics?

Back

Population dynamics is the study of how and why populations change over time, including factors like birth rates, death rates, immigration, and emigration.

4.

FLASHCARD QUESTION

Front

Explain the term 'ecosystem'.

Back

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

5.

FLASHCARD QUESTION

Front

What does it mean when we say 'change is constant' in ecosystems?

Back

It means that ecosystems are always changing due to various factors like seasonal changes, human activities, and natural events, affecting the populations and interactions of organisms.

6.

FLASHCARD QUESTION

Front

What is a producer in an ecosystem?

Back

A producer is an organism, usually a plant, that can make its own food through photosynthesis, forming the base of the food chain.

7.

FLASHCARD QUESTION

Front

Describe the role of decomposers in an ecosystem.

Back

Decomposers are organisms, like bacteria and fungi, that break down dead organic material, returning nutrients to the soil and helping to recycle matter in the ecosystem.

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