Ecology 3.1

Water temperature would be an example of ...

• a biotic factor.
• an abiotic factor.

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere

A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.

• Population
• Community
• Habitat
• Ecosystem

Nonliving factor that affects an ecosystem...

• biotic factor
• abiotic factor
• food chain 
• biome

Living factors or organisms that affect an ecosystem...

• abiotic factors

• species

• trophic level

• biotic factors

An ecosystem contains living and nonliving things.

• True
• False

Identify the examples as: a organism, population, community, or ecosystem.
A beautiful butterfly.

• Organism
• Population
• Community
• Ecosystem

The smallest level of ecological organization is called...........

• Organism
• Tissue
• Ecosystem
• Organ System

What are the abiotic factors in this image?

• Frog

• Water Weeds

• Sun

• Fish

A tick and a dog have this type of relationship.

• mutualism
• commensalism
• neutralism
• parasitism