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What are the main nonliving parts of an ecosystem?

• animals, plants, humans

• sunlight, air, fungi, sharks

• animals, plants, fungi, bacteria, and protists

• sunlight, soil, air, water, temperature

What is an ecosystem?

• groups of living things and the environment they live in

• a group of the same species living in the same place at the same time

• all the populations that live in the same area

• nonliving things

What are biotic factors?

• dead things
• living things/ organisms
• weather
• plants

Temperature, light, air, water, and soil are all  _____  parts of the environment

• alive
• biotic 
• abiotic
• living

An individual living thing is a/an __________.

• habitat
• ecosystem
• organism
• population

Which two biotic factors will interact in this environment?

• The sun helps the tree feed itself.

• The bird flies in the air.

• The termite eats the tree.

• The elephant sunbathes.

Which represents an organism?

• a

• b

• c

• d

Which DOES NOT represent an Ecosystem?

• A

• B

• C

• D

Which DOES NOT represent an Ecosystem?

• A

• B

• C

• D

Which of the following is an example of an interaction between a living and nonliving organism?

• a snake using a mouse for food
• a worm using the soil as shelter
• a bird using an insect for food