Pre-Test Matter and Energy Flow in Ecosystems

Front

What role do decomposers play in an ecosystem?

Back

Decomposers recycle matter by breaking down dead organisms and waste, returning essential nutrients to the soil.

Tags

NGSS.MS-LS2-3

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms and their interactions with the nonliving components of their environment.

Tags

NGSS.MS-LS2-3

Front

Why are decomposers important to ecosystems?

Back

Decomposers are important because they return vital nutrients to the ecosystem, facilitating nutrient cycling.

Tags

NGSS.MS-LS2-3

Front

What are consumers in an ecosystem?

Back

Consumers are organisms that obtain energy by feeding on other organisms.

Tags

NGSS.MS-LS2-3

Front

What is a food chain?

Back

A food chain is a linear sequence that shows how energy moves from one living thing to another through feeding relationships.

Tags

NGSS.MS-LS2-3

Front

What is the difference between producers and consumers?

Back

Producers create their own food through photosynthesis or chemosynthesis, while consumers obtain energy by eating other organisms.

Tags

NGSS.MS-LS2-3

Front

What is the role of producers in an ecosystem?

Back

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

Tags

NGSS.MS-LS1-6

Front

How do energy and matter flow in an ecosystem?

Back

Energy flows in one direction through the food chain, while matter is recycled through various biogeochemical cycles.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, defined by how an organism obtains energy.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

What are primary consumers?

Back

Primary consumers are herbivores that eat producers (plants) to obtain energy.

Tags

NGSS.MS-LS2-2