2.7 Energy Transfer CFU

Front

What is an Autotroph?

Back

An organism that creates its own energy from sunlight or chemicals.

Front

What happens to the food chain if the rabbit population doubles?

Back

The grass population would likely decrease. The snake and hawk population would likely increase.

Front

How much producer biomass per m² is needed to support 1.6 kg of secondary consumer biomass?

Back

160 kg per m².

Front

What trophic level do yellowfin tuna occupy in a food chain?

Back

Secondary consumer.

Front

What is the efficiency of energy transfer from one trophic level to the next?

Back

10%.

Front

Define Primary Consumer.

Back

An organism that eats producers; typically herbivores.

Front

Define Secondary Consumer.

Back

An organism that eats primary consumers; can be carnivores or omnivores.

Front

What is a Trophic Level?

Back

A level in a food chain or food web, representing a specific position in the flow of energy.

Front

What is Biomass?

Back

The total mass of living matter in a given area or volume.

Front

What is a Food Chain?

Back

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