Food Chain, Food Web and Ecological Pyramid

Front

All food webs and food chains begin with _________________

Back

producers

Front

How are primary consumers different from secondary consumers?

Back

Primary consumers eat only plants; secondary consumers eat other consumers.

Front

Organisms which carry out the process of decomposition by breaking down dead or decaying organisms are called _____________.

Back

Decomposers

Front

In an energy pyramid, which organisms have the most energy available?

Back

Producers

Front

What is this called? (Image of a linear sequence of organisms)

Back

Food Chain

Front

What is a food web?

Back

A food web is a complex network of feeding relationships among various organisms in an ecosystem.

Front

Define primary consumers.

Back

Primary consumers are organisms that eat producers (plants) for energy.

Front

Define secondary consumers.

Back

Secondary consumers are organisms that eat primary consumers (herbivores) for energy.

Front

What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organic matter, returning nutrients to the soil.

Front

What is an ecological pyramid?

Back

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