Ecosystems and Environmental Impact

Front

What is an ecosystem?

Back

A community of living and non-living things that interact in an area.

Front

What does a food chain refer to?

Back

The order of events in an ecosystem, where one living organism eats another organism, and later that organism is consumed by another larger organism.

Front

What is a food web?

Back

A network of many food chains in an ecosystem that shows how plants and animals are connected.

Front

What is fresh water?

Back

Water that is not salty, found in lakes, rivers, and streams.

Front

What is a watershed?

Back

Land where all water drains into the same place.

Front

What is non-point-source pollution?

Back

Pollution from many places, like rain washing chemicals into water.

Front

What is point-source pollution?

Back

Pollution from one specific place, like a factory pipe.

Front

What are pollutants?

Back

Harmful things that make air, water, or land dirty.

Front

What is runoff?

Back

Water from rain or snow that carries pollutants into rivers or lakes.

Front

What is sediment?

Back

Tiny pieces of soil or rocks carried by water and settling at the bottom of rivers or lakes.