Levels of Ecological Organization

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

Tags

NGSS.MS-LS2-4

A place where an organism lives.

• Terrain

• Habitat

• Community

• Population

A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.

• Population

• Community

• Habitat

• Ecosystem

Tags

NGSS.MS-LS2-3

Two organisms that are so similar they can interbreed in nature and produce fertile offspring.

• biotic factor

• herbivore

• ecosystem

• species

Which of the following is a population?

• hawks, barred owls, and eagles on NC coast

• mountain stream

• all the frogs in a pond

• blue-tailed skinks (lizards) around a barn

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

Which of the following is the most simple level of ecological organization?

• A community

• An individual or species

• A population

• An ecosystem

TRUE or FALSE: A community includes all abiotic and biotic factors.

• TRUE

• FASLE

Tags

NGSS.MS-LS2-3

What level of organization can be observed in the image?

• Species

• Population

• Community

• Ecosystem

Tags

NGSS.MS-LS2-4

Which is the thin layer of the earth that supports life and also the largest level of ecological organization?

• A community

• The biosphere

• A population

• The biome