Food chain Food Web Flashcard

Front

What is a food chain?

Back

A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

Front

What is a food web?

Back

A food web is a complex network of interconnected food chains that illustrates how different organisms are related through feeding relationships.

Front

Define 'trophic level'.

Back

A trophic level is a position in a food chain or food web that indicates the organism's role in the flow of energy and nutrients.

Front

What is an autotroph?

Back

An organism that generates its own food, typically through photosynthesis or chemosynthesis.

Front

What is a heterotroph?

Back

An organism that consumes other organisms to obtain energy.

Front

What do the arrows in a food chain represent?

Back

The arrows show the flow or transfer of energy from one organism to another.

Front

How many trophic levels are typically found in a food chain?

Back

Food chains usually consist of 3 to 5 trophic levels.

Front

What is a primary consumer?

Back

A primary consumer is an organism that eats producers (autotrophs) and is typically herbivorous.

Front

What is a secondary consumer?

Back

A secondary consumer is an organism that eats primary consumers and is usually carnivorous.

Front

What is a tertiary consumer?

Back

A tertiary consumer is an organism that eats secondary consumers and is often at the top of the food chain.