Ecological Roles

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

Water temperature would be an example of ...

• a biotic factor.
• an abiotic factor.

Tags

NGSS.MS-LS2-4

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

Tags

NGSS.MS-LS2-3

Living factors or organisms that affect an ecosystem

• abiotic factors
• species
• trophic level
• biotic factors

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What are the biotic factors in this image?

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

What are the abiotic factors in this image? 

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

An ecosystem contains living and nonliving things.

• True
• False

Tags

NGSS.MS-LS2-3

Which of the following is a population?

• hawks, barred owls, and eagles on NC coast
• mountain stream
• all the frogs in a pond
• blue-tailed skinks (lizards) around a barn

This organism survives by eating the remains of dead, decaying organic matter...

• decomposer
• producer
• consumer