Fall Final

Front

What is an independent variable?

Back

The variable that is manipulated in an experiment.

Front

What are the characteristics of rivers?

Back

High oxygen content, water flows downstream, slower streams have higher turbidity.

Front

What is a source of nitrous oxide as a greenhouse gas?

Back

Fertilizers and combustion of fossil fuels.

Front

What is ecological succession?

Back

A series of gradual changes that take place within an ecosystem after a disturbance.

Front

What are pioneer species?

Back

The first organisms to appear in an ecosystem, such as lichens and moss.

Front

Define ecosystem.

Back

A community of living organisms interacting with their environment.

Front

What is biodiversity?

Back

The variety of life in a particular habitat or ecosystem.

Front

Explain the water cycle.

Back

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

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic material, recycling nutrients back into the ecosystem.

Front

Define photosynthesis.

Back

The process by which green plants use sunlight to synthesize foods with the help of chlorophyll.