Matter and Energy in the Environment # 3

Front

What happens to energy that is not passed on in an energy pyramid?

Back

It is lost to the environment as heat or is decomposed as waste.

Front

What do the arrows in a food chain diagram represent?

Back

They show what direction the energy is flowing between organisms.

Front

What is the primary source of energy for phytoplankton?

Back

Sunlight.

Front

Why is there more energy in the producers of an ecosystem?

Back

There is more energy in the producers because they provide energy for all the consumers in the ecosystem.

Front

How does the amount of potential food available change in an ecological pyramid?

Back

It decreases from bottom to top.

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 the role of producers in an ecosystem?

Back

Producers convert sunlight into energy through photosynthesis, providing food for consumers.

Front

What are consumers in an ecosystem?

Back

Consumers are organisms that obtain energy by eating other organisms.

Front

What is the difference between primary and secondary consumers?

Back

Primary consumers eat producers, while secondary consumers eat primary consumers.

Front

What is an ecological pyramid?

Back

An ecological pyramid is a graphical representation showing the distribution of energy or biomass among trophic levels.