Ecology Quiz

What is an ecosystem?

• The average weather conditions in an area over time

• All living things and nonliving things in an area

• The layer of gases that surrounds the earth

• The process that changes atmospheric nitrogen into nitrogen compounds

What does the term "climate" refer to?

• The layer of gases that surrounds the earth

• The average weather conditions in an area over time

• The process that changes atmospheric nitrogen into nitrogen compounds

• The amount of energy available in each step of the food chain

What is the atmosphere?

• The process that changes atmospheric nitrogen into nitrogen compounds

• The layer of gases that surrounds the earth

• The average weather conditions in an area over time

• All living things and nonliving things in an area

What are biotic factors?

• Non-living things

• Living things

• The process that changes atmospheric nitrogen into nitrogen compounds

• The average weather conditions in an area over time

What are abiotic factors?

• Living things

• Non-living things

• The process that changes atmospheric nitrogen into nitrogen compounds

• The average weather conditions in an area over time

What is evaporation?

• When water vapor changes into liquid

• When liquid water changes into a gas

• When water falls from clouds to earth's surface

• The process that changes atmospheric nitrogen into nitrogen compounds

What is condensation?

• When water vapor changes into liquid

• When liquid water changes into a gas

• When water falls from clouds to earth's surface

• The process that changes atmospheric nitrogen into nitrogen compounds

What is precipitation?

• When water vapor changes into liquid

• When liquid water changes into a gas

• When water falls from clouds to earth's surface

• The process that changes atmospheric nitrogen into nitrogen compounds

What is nitrogen fixation?

• The process that changes atmospheric nitrogen into nitrogen compounds that are usable by living things

• The process that changes atmospheric nitrogen into nitrogen compounds that are not usable by living things

• The process that changes liquid water into a gas

• The process that changes water vapor into liquid

What is photosynthesis?

• The process that changes atmospheric nitrogen into nitrogen compounds

• Chemical reactions that convert light energy, water, carbon dioxide into food energy that gives off oxygen

• The process that changes liquid water into a gas

• The process that changes water vapor into liquid