Chapter 1 Review

Front

What is a decomposer?

Back

A decomposer is an organism that breaks down dead plants and animals, returning nutrients to the soil. Examples include fungi and earthworms.

Front

Which of the following is not a decomposer?

Back

Grass is not a decomposer; it is a producer.

Front

What is an abiotic factor in an ecosystem?

Back

An abiotic factor is a non-living part of an ecosystem, such as rocks, water, and sunlight.

Front

Which of the following is an abiotic part of an ecosystem?

Back

Rock is an abiotic part of an ecosystem.

Front

What is a food chain?

Back

A food chain shows how energy and nutrients flow from one organism to another in an ecosystem.

Front

What is a producer?

Back

A producer is an organism that makes its own food through photosynthesis, like plants.

Front

Which of the following is a producer?

Back

Apple Tree is a producer.

Front

What is a consumer?

Back

A consumer is an organism that eats other organisms for energy.

Front

What is a population in ecology?

Back

A population is a group of individuals of the same species living in a specific area.

Front

What does it mean if a population increases?

Back

It means that more individuals are being born than are dying.