a/Biotic and Levels of organization

Which is an example of an organism?

• a beetle
• a lake
• a rock
• a shell

Multiple organisms of the same species describes a

• organism
• population
• community
• ecosystem

What do ecosystems have that the other three levels of organization do not have?

• living things
• biotic factors
• abiotic factors
• organisms

A forest full of many kinds of trees and grasses is an example of a

• group
• organism
• population
• community

An ecosystem contains living and nonliving things.

• True
• False

Which is the thin layer of the earth that supports life and also the largest level of ecological organization?

• A community
• The biosphere
• A population
• The biome

TRUE or FALSE: A community includes all abiotic and biotic factors.

• TRUE
• FASLE

Which level of ecological organization is composed of many similar ecosystems with the same climate and geographic locations? 

• A community
• A population
• A biome
• A biosphere

Water temperature would be an example of ...

• a biotic factor.

• an abiotic factor.

Nonliving factor that affects an ecosystem...

• biotic factor
• abiotic factor
• food chain 
• biome