Ecosystems Test

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Tags

NGSS.MS-LS2-3

Front

What are the two main components of an ecosystem?

Back

The two main components of an ecosystem are biotic (living) and abiotic (non-living) factors.

Tags

NGSS.MS-LS2-3

Front

What is a food chain?

Back

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

Tags

NGSS.MS-LS2-3

Front

Define herbivore.

Back

An herbivore is an organism that primarily eats plants.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients.

Tags

NGSS.MS-LS2-3

Front

What happens to an ecosystem if a keystone species is removed?

Back

The removal of a keystone species can lead to significant changes in the ecosystem, potentially causing collapse.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.

Tags

NGSS.MS-LS2-3

Front

What is the difference between a food chain and a food web?

Back

A food chain is a single linear pathway of energy flow, while a food web is a complex network of interconnected food chains.

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity contributes to ecosystem resilience, stability, and productivity.

Tags

NGSS.MS-LS2-5

Front

How do plants contribute to the ecosystem?

Back

Plants produce oxygen through photosynthesis and serve as the primary producers in food chains.

Tags

NGSS.MS-LS1-6