APES Semester 1 Review III

Front

What biome is characterized by extreme dryness and minimal vegetation, where animals like the kangaroo rat thrive?

Back

Desert

Front

What human activity does NOT contribute to the nitrogen cycle?

Back

Destruction of forests releases nitrogen.

Front

What are the two main properties of ocean water that influence its density?

Back

Temperature and salinity.

Front

Which biome contains the aphotic zone, where sunlight does not penetrate?

Back

Open ocean.

Front

What are the key features of the Tundra biome?

Back

Treeless, permafrost, cold dark winters.

Front

What is the primary source of nitrogen in agricultural ecosystems?

Back

Fertilizers.

Front

How does burning fossil fuels affect the nitrogen cycle?

Back

It adds nitric oxide to the atmosphere.

Front

What is permafrost?

Back

A permanently frozen layer of soil found in the tundra.

Front

What adaptations do animals in the desert biome have for water conservation?

Back

They obtain water from food and have physiological adaptations to minimize water loss.

Front

What is the significance of salinity in ocean water?

Back

It affects the density and buoyancy of water.