Flashcard on Organisms and Ecosystems

Front

What powers an ecosystem's energy?

Back

The Sun

Front

Is the sun a biotic part of the ecosystem?

Back

No

Front

What is an abiotic factor?

Back

A non-living part of an ecosystem that can affect living organisms, such as sunlight, water, and temperature.

Front

What do scientists study in ecosystems?

Back

Cause-and-effect relationships between factors.

Front

What is a biotic factor?

Back

A living part of an ecosystem, such as plants, animals, and microorganisms.

Front

Give an example of one living thing depending on another living thing.

Back

A bird building a nest in a tree.

Front

What is an ecosystem?

Back

A community of living organisms and their interactions with their environment.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organisms and recycle nutrients back into the soil.

Front

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

Back

A food chain shows a single path of energy flow, while a food web shows multiple interconnected food chains.

Front

What is photosynthesis?

Back

The process by which plants use sunlight to convert carbon dioxide and water into glucose and oxygen.