Ecology Review

Front

What does an energy pyramid represent in an ecosystem?

Back

The amount of energy available to the next 'feeder' in a food web.

Front

Which organisms have the most energy available in an energy pyramid?

Back

Producers.

Front

What is the primary source of energy for the owl in a food web?

Back

Mice and rabbits.

Front

What would happen to the blue whale population if the krill population went extinct?

Back

The blue whale population would also decrease.

Front

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

Back

10%.

Front

What are producers in an ecosystem?

Back

Organisms that create their own food through photosynthesis, such as plants.

Front

What role do consumers play in an energy pyramid?

Back

Consumers obtain energy by eating other organisms.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or energy pyramid, representing the flow of energy through an ecosystem.

Front

What happens to energy as it moves up the trophic levels?

Back

Energy decreases as it moves up the trophic levels due to energy loss at each level.

Front

What is the significance of decomposers in an ecosystem?

Back

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