Ecological Levels of Organization

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

• a community.

• a biome.

• a biosphere.

• an Earthsphere.

Jacob is going out to his grandparents farm. On the farm is a stream that he likes to fish at. When he is fishing he sees many differernt speacies of fish as well as maple and oak trees and dragonflies. What Jacob is seeing is an example of what level of organization?

• organism

• population

• community

• ecosystem

Tags

NGSS.MS-LS2-2

The people in this picture represent which level of environmental organization. 

• Organisms 

• Community

• Biosphere

• Population 

Trees, shrubs, grasses, air temperature, soil pH, water quality, etc. found in a given area are known as a(n)...

• population

• ecologist

• community

• ecosystem

An interacting group of various species in a common location

• population

• species

• community

• competition

Tags

NGSS.MS-LS2-2

A community of organisms and their abiotic environment.

• Environment

• Biosphere

• Ecosystem

• Community

Tags

NGSS.MS-LS2-3

Which definition best fits the term community?

• A group or organisms of the same species that live in the same area and interact with one another.

• A group of many populations (of different species) that live and interact with one another

• A group of populations of many different species that live and interact with both one another and all of the abiotic factors in their environment.

• A set of different ecosystems that are connected by similar geographic features and share the same or similar climate.

• Anywhere on earth that life exists.

Tags

NGSS.MS-LS2-2

Which definition best fits the term ecosystem?

• A group or organisms of the same species that live in the same area and interact with one another.

• A group of many populations (of different species) that live and interact with one another

• A group of populations of many different species that live and interact with both one another and all of the abiotic factors in their environment.

• A set of different ecosystems that are connected by similar geographic features and share the same or similar climate.

• Anywhere on earth that life exists.

How many levels of organization are ecologists concerned with?

• 9

• 7

• 6

• 5

Which of the following represents the highest level of ecological organization?

• Organism

• Population

• Community

• Biosphere