Matter & Energy in Ecosystems

All organisms need both living and non-living things to survive.

• True

• False

Are Abiotic or Biotic Factors the nonliving things in an ecosystem, such as sunlight and water?

• Abiotic

• Biotic

Are Abiotic or Biotic Factors the living things in an ecosystem?

• Abiotic

• Biotic

An __________________________ is all the living and nonliving things in a given area.

This describes the average weather conditions in an area over time: _________________.

Most life on Earth requires water.

• True

• False

__________________ is the layer of gases that surround the Earth.

Water covers about _________ of Earth’s surface.

• 60%

• 70%

• 80%

• 90%

True or False: about 97% of Earth’s water is in the oceans.

• True

• False

The process during which liquid water changes into a gas called water vapor is called

• Condensation

• Evaporation

• Photosynthesis

• Precipitation