Food Pyramids & Trophic Levels

Front

What do the arrows in a food chain or web represent?

Back

They show what direction the energy is flowing between organisms.

Front

What is the role of a producer in an ecosystem?

Back

Producers use sunlight to make food.

Front

What does a food pyramid represent?

Back

A food pyramid represents the relative amount of energy in trophic levels.

Front

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

Back

Energy decreases.

Front

Which type of consumer gets only 10% of the energy stored in plants?

Back

Herbivore.

Front

Define 'trophic level'.

Back

A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients.

Front

What is a primary consumer?

Back

A primary consumer is an organism that eats producers, typically herbivores.

Front

What is a secondary consumer?

Back

A secondary consumer is an organism that eats primary consumers, typically carnivores or omnivores.

Front

Explain the concept of energy transfer in an ecosystem.

Back

Energy transfer in an ecosystem refers to the movement of energy from one trophic level to another, with a loss of energy at each level.

Front

What is the significance of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.