Ecological Hierarchy

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 place where an organism lives.

• Terrain
• Habitat
• Community
• Population

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

• Population
• Community
• Habitat
• Ecosystem

The role or function or job of a species in a community.

• habitat
• diet
• niche
• ecosystem

Part of the earth that living organisms inhabit...

• biosphere
• biome
• niche
• ecosystem

Two organisms that are so similar they can interbreed in nature and produce fertile offspring

• biotic factor
• herbivore
• ecosystem
• species

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

What are the biotic factors in this image?

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