Ecology Quiz Review

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

A group of the same organisms living together in the same place at the same time is:

• An organism

• A population

• A community

• A biome

What are groups of different populations living togther in the same place at the same time called?

• An organism

• A population

• A community

• A biosphere

What is it called when you have groups of different populations along with their abiotic factors?

• An organism

• A population

• A community

• An ecosystem

Together, all the ecosystems on Earth form...

• a community.

• a biome.

• a biosphere.

• an Earthsphere.

Living factors or organisms that affect an ecosystem...

• abiotic factors

• species

• trophic level

• biotic factors

What are the abiotic factors in this image? 

• water, sunlight, dirt, air
• birds and plants
• water, plants, and birds 

What are the biotic factors in this image?

• sunlight, elephants, and grasses
• sunlight, water,  and air
• elephants, plants, trees 

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

• living things
• biotic factors
• abiotic factors
• organisms