Ecology

Front

What are decomposers?

Back

Organisms that break down dead or decaying organic material, recycling nutrients back into the ecosystem.

Tags

NGSS.MS-LS2-3

Front

What is the competitive exclusion principle?

Back

A principle stating that two species competing for the same resources cannot coexist if other ecological factors are constant.

Front

Define a community in ecology.

Back

A collection of different populations of organisms that live in the same area and interact with one another.

Front

What happens to energy as it moves up a food chain?

Back

90% of the energy is lost as heat to the environment.

Tags

NGSS.MS-LS2-3

Front

What is the greenhouse effect?

Back

A phenomenon where heat is trapped by gases in the atmosphere and sent back to Earth's surface.

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

Front

What are producers in an ecosystem?

Back

Organisms that produce their own food through photosynthesis, forming the base of the food chain.

Tags

NGSS.MS-LS1-6

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Tags

NGSS.MS-LS2-3

Front

What is an ecosystem?

Back

A community of living organisms interacting with their physical environment.

Front

What role do primary consumers play in a food web?

Back

They are herbivores that eat producers and are the second trophic level in a food chain.

Tags

NGSS.MS-LS2-3

Front

What is mutualism?

Back

A symbiotic relationship where both species benefit from the interaction.

Tags

NGSS.MS-LS2-2