Biology- Ecosystems

Front

What is the ultimate source of energy in any food chain?

Back

The sun.

Front

What are biotic factors in an ecosystem?

Back

Any living part of an environment.

Front

What is an autotroph?

Back

An organism that makes its own food.

Front

What do we call the non-living components that organisms depend on for survival?

Back

Abiotic factors.

Front

What is a food web?

Back

A system composed of several food chains in an ecosystem that intersect and depend on one another.

Front

What is a producer in an ecosystem?

Back

An organism that can make its own food, typically through photosynthesis.

Front

What is a consumer?

Back

An organism that eats other organisms for energy.

Front

What is a decomposer?

Back

An organism that breaks down dead or decaying organisms, returning nutrients to the ecosystem.

Front

What is a trophic level?

Back

Each step in a food chain or food web, representing a different level of energy transfer.

Front

What is the role of sunlight in an ecosystem?

Back

It provides the energy necessary for photosynthesis, which supports producers.