Front

What type of species interaction occurs when a red fox catches, kills, and eats a gray squirrel?

Back

Predator-prey interaction.

Front

What does the hydrologic cycle track through its phases?

Back

Water.

Front

What drives the hydrologic cycle?

Back

The sun.

Front

Which biome has the highest total Net Primary Productivity (NPP)?

Back

Open ocean.

Front

What is the primary cause of eutrophication in freshwater bodies?

Back

Excessive nutrients from agricultural runoff.

Front

What is species richness?

Back

The number of different species present in a given area.

Front

Define Net Primary Productivity (NPP).

Back

The rate at which plants in an ecosystem produce net useful chemical energy.

Front

What is the role of the sun in ecosystems?

Back

It provides energy for photosynthesis, driving the food web.

Front

Explain the concept of biodiversity.

Back

The variety of life in the world or in a particular habitat or ecosystem.

Front

What is an example of a non-native species?

Back

Zebra mussels in North American lakes.