Food Chains and Food Webs and Trophic Levels

Front

What is a decomposer?

Back

An organism that breaks down dead organic matter into simpler substances, recycling nutrients back into the ecosystem.

Front

Which of the following is NOT a decomposer?

Back

Leaves.

Front

What is carrying capacity?

Back

The maximum number of individuals of a population that an environment can sustainably support.

Front

How much energy is typically lost at each trophic level in an energy pyramid?

Back

90%.

Front

What is an autotroph?

Back

An organism that can produce its own food through photosynthesis or chemosynthesis.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is a food web?

Back

A complex network of interconnected food chains in an ecosystem.

Front

What is a trophic level?

Back

Each step in a food chain or food web, representing the flow of energy and nutrients.

Front

What is a primary consumer?

Back

An organism that eats producers (plants) and is typically herbivorous.

Front

What is a secondary consumer?

Back

An organism that eats primary consumers and can be carnivorous or omnivorous.