Levels of Organization in an Ecosystem

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

• living things

• biotic factors

• abiotic factors

• organisms

Tags

NGSS.MS-LS2-3

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

• group

• organism

• population

• community

Tags

NGSS.MS-LS2-5

which is the correct order of the levels of organization from simple to complex?

• organism, population, community, ecosystem

• ecosystem, community, population, organism

The _______ includes all living organisms on Earth along with the spheres they interact with (lithosphere, hydrosphere, and atmosphere).

• Biosphere

• Biome

• Community

• Ecosystem

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

_______: a collection of all the organisms living in a particular place together with their abiotic components, such as water and air.

• Biosphere

• Biome

• Ecosystem

• Community

A _____ is the populations of two or more species within the same geographical area and time period.

• Biome

• Ecosystem

• Community

• Population

Which level of organization is the most complex?

• organism

• population

• community

• ecosystem

A community is a level in organization that is....

• made of populations of different species that live in the same place and interact.

• a single individual species of organisms that are similar.

• all the individual organisms of the same species in the same place.

True or False: A community is made up of populations of different species that live in the same place and interact.

• True

• False

Which of the following levels of organization includes both biotic and abiotic components?

• Organism

• Population

• Community

• Ecosystem

Tags

NGSS.MS-LS2-3