Populations, Communities and Ecosystems

Which levels of ecological organization are made up of ONLY BIOTIC factors?

• Ecosystem

• Community

• Population

4,386 Red Foxes in Massachusetts in October 2020

• Community

• Species

• Population

• Organisms

Tags

NGSS.MS-LS2-1

About how many visible organisms are in this image of the Mojave Desert?

• About 10

• About 15

• About 30

• About 45

How many species of animal are in this image?

• 8

• 19

• 2

• 10

In a habitat, animals have a __________, which is how they interact, get food and shelter.

• niche

• ecosystem

• community

• population

Factors used to describe a habitat would include...

• Amount of rainfall

• An organisms "profession or role"

• Temperature range

• The type of plants found there

This situation best shows the squirrel's...

• Niche

• Habitat

• Ecosystem

• Community

The physical part of the ecosystem that meets the needs of an organism is called:

• role

• ecosystem

• habitat

• population

A Community is...

• All of one type of organism.

• Living organisms and non-living factors in the same place at the same time.

• All of the different populations living together.

Biotic means...

• Non-living factors such as sun and water

• Living organisms such as people, grass, and deer.

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-2