Levels of Ecological Organization

Which level of organization is the most complex?

• organism
• population
• community
• ecosystem

What do ecosystems have that the other three levels of organization do not have?

• living things
• biotic factors
• abiotic factors
• organisms

A forest full of many kinds of trees and grasses is an example of a

• group
• organism
• population
• community

Tags

NGSS.MS-LS2-4

Which is an example of an organism?

• a beetle
• a lake
• a rock
• a shell

Tags

NGSS.MS-LS1-1

Which level of organization is more complex than a population and less complex than an ecosystem?

• organism
• population
• community
• ecosystem

Which is an example of a population?

• different kinds of bacteria
• A group of fish and sharks
• deer, bear, and rabbits
• A herd of cattle

A group of the same organisms living together in the same place at the same time is:

• An organism

• A population

• A community

• A biome

What is it called when you have groups of different populations along with their abiotic factors?

• An organism

• A population

• A community

• An ecosystem

Tags

NGSS.MS-LS2-3

The organisms in a community, as well as all of the nonliving aspects of the environment are a(n):

• Population

• Community

• Habitat

• Ecosystem

Tags

NGSS.MS-LS2-3

Living factors or organisms that affect an ecosystem are

• abiotic factors

• species

• trophic level

• biotic factors

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4