Food Webs, Chains, and Energy pyramids

Front

What happens to energy as you work your way up the energy pyramid?

Back

It decreases.

Front

How do producers obtain energy?

Back

They conduct photosynthesis.

Front

What is the role of primary consumers in a food web?

Back

Primary consumers eat producers (plants) to obtain energy.

Front

How many primary consumers are typically found in a food web?

Back

The number can vary; in this example, there are 4 primary consumers.

Front

What percentage of energy is passed on to each trophic level?

Back

10%.

Front

What might happen if a primary consumer is removed from the ecosystem?

Back

The number of plants would increase.

Front

What is a food chain?

Back

A linear sequence of organisms where each is eaten by the next one.

Front

What is a food web?

Back

A complex network of interconnected food chains in an ecosystem.

Front

What are trophic levels?

Back

Levels in a food chain or web that represent the flow of energy from producers to consumers.

Front

What is the primary source of energy for most ecosystems?

Back

The sun.