Review Test 4: Ecosystem_Food Chain_Food Web

Front

What type of ecosystem is characterized by ground that remains frozen year-round?

Back

Tundra

Front

Which organisms break down dead material and return nutrients to the soil?

Back

Decomposers

Front

What are biotic organisms that provide shade to other living organisms in an oasis?

Back

Palm trees

Front

What is a nonliving factor that interacts with living factors in a forest environment?

Back

The stream, as it provides a place for the fish to swim.

Front

What are the nonliving components that affect an ecosystem, such as oxygen, light, temperature, and pH?

Back

Abiotic factors.

Front

What is the term for the role of organisms in an ecosystem, such as producers, consumers, and decomposers?

Back

Trophic levels.

Front

What is the process by which plants use sunlight to make food?

Back

Photosynthesis.

Front

What type of organisms are responsible for producing energy in an ecosystem?

Back

Producers.

Front

What is the term for the relationship between different species in an ecosystem, such as predator-prey interactions?

Back

Interdependence.

Front

What is the term for the variety of life in a particular habitat or ecosystem?

Back

Biodiversity.