7th Grade Ecology Test

Front

What term describes the nonliving components of an ecosystem?

Back

Abiotic

Tags

NGSS.MS-LS2-3

Front

What is an example of a limiting factor in an ecosystem?

Back

Unavailable water

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Front

Which of these represents a correct flow of energy in a food chain?

Back

Grass → Deer → Lion

Tags

NGSS.MS-LS2-3

Front

What is an organism's niche?

Back

Its role in the environment

Front

What is a food chain?

Back

A sequence of events showing energy flow through an ecosystem

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

What are biotic factors in an ecosystem?

Back

Living components such as plants, animals, and microorganisms.

Tags

NGSS.MS-LS2-2

Front

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

Back

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

Tags

NGSS.MS-LS2-3

Front

What is carrying capacity?

Back

The maximum number of individuals of a species that an environment can support.

Front

What role do producers play in an ecosystem?

Back

Producers convert sunlight into energy through photosynthesis, forming the base of the food chain.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

What is the significance of decomposers in an ecosystem?

Back

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

Tags

NGSS.MS-LS2-3