Earth's Major Systems

Front

What is an aquifer?

Back

An underground layer of rock or soil that covers connected holes that water can pass through.

Front

What are the 3 major types of rock?

Back

Igneous, metamorphic, sedimentary.

Front

What part of the Earth is made up of all living things?

Back

Biosphere.

Front

Where is the greatest amount of freshwater stored?

Back

In glaciers.

Front

What is a population in ecological terms?

Back

All the individuals of the same species living in an area at the same time.

Front

What is the atmosphere?

Back

The layer of gases surrounding the Earth.

Front

What is the geosphere?

Back

The solid part of the Earth, including rocks and soil.

Front

What is the hydrosphere?

Back

All the water on Earth, including oceans, lakes, rivers, and glaciers.

Front

What is the biosphere?

Back

The global sum of all ecosystems, where life exists.

Front

What is sedimentary rock?

Back

Rock formed by the accumulation of sediments.