Ecological Organization

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

Which of the following best describes a community?

• sharks, groupers, anemones and shrimp on a coral reef
• decorator crabs on the seafloor
• loggerhead sea turtles in Atlantic
• prairie grassland in Wyoming

Tags

NGSS.MS-LS2-2

An ecosystem contains living and nonliving things.

• True
• False

Tags

NGSS.MS-LS2-3

Nonliving factor that affects an ecosystem...

• biotic factor
• abiotic factor
• food chain 
• biome

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Living factors or organisms that affect an ecosystem...

• abiotic factors

• species

• trophic level

• biotic factors

Tags

NGSS.MS-LS2-4

The smallest unit of life that can sustain itself is called...

• an organism.
• the biosphere.
• a population.
• a community.

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

When all the ecosystems on Earth are combined it is called...

• a community.
• a biome.
• a biosphere.
• an Earthsphere.

The temperate decisuous forest, the tropical rain forest, the desert, and the tundra are all examples of...

• the biopshere.
• biomes.
• ecosystems.
• communities.