Energy Pyramids

Front

What happens to energy as you move up an energy pyramid?

Back

Energy decreases.

Front

What do the arrows in an energy pyramid diagram represent?

Back

The direction of the energy flow.

Front

What is the likely outcome for hawks and rodents if insects are removed from the ecosystem?

Back

There will be fewer rodents and hawks.

Front

Why can ecosystems only support small numbers of consumers compared to a large number of producers?

Back

There is not enough energy available to support more consumers.

Front

What is the average amount of energy transferred from one trophic level to the next?

Back

10%.

Front

Define an energy pyramid.

Back

A graphical representation showing the flow of energy through different trophic levels in an ecosystem.

Front

What is a trophic level?

Back

A position in a food chain or energy pyramid that indicates the organism's role in the flow of energy.

Front

What is the primary source of energy for most ecosystems?

Back

The sun.

Front

What role do producers play in an energy pyramid?

Back

Producers convert solar energy into chemical energy through photosynthesis.

Front

What are consumers in an energy pyramid?

Back

Organisms that obtain energy by eating other organisms.