Food chain Food Web Flashcard

Front

What is a heterotroph?

Back

An organism that consumes other organisms to get energy.

Front

What percentage of energy stored as biomass in one trophic level ends up as biomass in the next trophic level?

Back

10

Front

What do the arrows in a food chain represent?

Back

The flow or transfer of energy.

Front

Identify an incorrect food chain: Stargrass -> Thompson's Gazelle -> Lion, Acacia -> Termite, Acacia -> Giraffe -> Wild Dog, Stargrass -> Wildebeest -> Cheetah.

Back

Acacia -> Giraffe -> Wild Dog.

Front

How is most energy lost between trophic levels?

Back

By heat loss, generated during cellular respiration.

Front

Define a food chain.

Back

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

Front

What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.

Front

What is a primary producer?

Back

An organism that produces its own food, typically through photosynthesis, such as plants.

Front

What role do decomposers play in a food chain?

Back

Decomposers break down dead organisms, returning nutrients to the soil and completing the cycle.

Front

What is a trophic level?

Back

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