Unit 4: Ecosystem Study Guide

Front

What is a decomposer?

Back

A decomposer is an organism that breaks down dead plants and animals, returning nutrients to the soil. Example: bacteria.

Front

What is an abiotic factor?

Back

An abiotic factor is a non-living part of an ecosystem that affects living organisms. Example: water, rocks, sunlight.

Front

What is a producer?

Back

A producer is an organism that can make its own food through photosynthesis. Example: sunflower.

Front

Where does all energy in an ecosystem start?

Back

All energy in an ecosystem starts with the sun.

Front

What is an example of an abiotic factor?

Back

Rocks are an example of an abiotic factor.

Front

What role do consumers play in an ecosystem?

Back

Consumers are organisms that eat other organisms for energy. They cannot produce their own food.

Front

What is the difference between biotic and abiotic factors?

Back

Biotic factors are living things in an ecosystem, while abiotic factors are non-living things.

Front

Can you name a type of consumer?

Back

Examples of consumers include animals like foxes, deer, and chipmunks.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which plants use sunlight to make food from carbon dioxide and water.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms and their interactions with the environment.