Food Web Basics

Front

Which of the following illustrates the correct ordering of trophic levels? Options: decomposers-carnivores-autotrophs-herbivores, herbivores-autotrophs-carnivores-decomposers, autotrophs-herbivores-carnivores-decomposers, carnivores-producers-omnivores

Back

autotrophs-herbivores-carnivores-decomposers

Front

In aquatic ecosystems, biomass is least at which trophic level? Options: autotrophs, herbivores, carnivores

Back

carnivores

Front

Food chains are interconnecting food webs.

Back

false

Front

What does every food chain start with?

Back

sun

Front

Why is a shark a carnivore?

Back

Because it eats other animals.

Front

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

Back

They show what direction the energy is flowing between organisms.

Front

An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________. Options: producer, consumer, decomposer, autotroph

Back

decomposer

Front

An organism that uses an outside source of energy like the sun to create energy-rich food molecules.

Back

Producer

Front

An organism that obtains energy by eating other organisms.

Back

Consumer

Front

Organisms that break down dead or decaying organisms.

Back

Decomposers