Chapter 4 MUB Review

Front

What is a decomposer?

Back

An organism that breaks down dead organic material, returning nutrients to the soil.

Front

What is runoff?

Back

Water that flows over land, carrying nutrients and pollutants into larger bodies of water.

Front

What is the process of runoff?

Back

The movement of water from land to the nearest body of water after precipitation.

Front

What is a producer (autotroph)?

Back

An organism that produces its own food through photosynthesis, such as a tree.

Front

What is a primary consumer?

Back

An organism that eats producers; for example, a rabbit.

Front

What role do decomposers play in an ecosystem?

Back

They recycle nutrients by breaking down dead organisms.

Front

What is the water cycle?

Back

The continuous movement of water through evaporation, condensation, and precipitation.

Front

What is evaporation?

Back

The process by which water changes from liquid to gas, usually due to heat.

Front

What is condensation?

Back

The process by which water vapor cools and changes back into liquid, forming clouds.

Front

What is percolation?

Back

The process of water filtering through soil and rock layers.