Life Science

Front

What is a food web?

Back

A system of interconnected food chains that shows how energy is transferred between different organisms in an ecosystem.

Front

How much energy is typically passed on to the next trophic level in an ecosystem?

Back

10%.

Front

What biome is characterized by wide-open fields of grass?

Back

Grasslands.

Front

What is parasitism?

Back

A relationship where one organism (the parasite) benefits at the expense of another organism (the host), causing harm.

Front

Which biome has permafrost?

Back

Tundra.

Front

What is a food chain?

Back

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

Front

What is mutualism?

Back

A symbiotic relationship where both organisms benefit from the interaction.

Front

What is commensalism?

Back

A relationship between two organisms where one benefits and the other is neither helped nor harmed.

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 an ecosystem?

Back

A community of living organisms interacting with their physical environment.