Ecosystems Quiz 2 Review

In a food web, an arrow goes from a deer to a grizzly bear, showing that

• the grizzly bear is bigger

• the grizzly bear eats the deer

• the deer eats the grizzly bear

• the deer is a producer

How energy moves through an ecosystem can be represented by

• food chains

• energy pyramids

• food webs

• all of the above

The base of an energy pyramid represents which organisms in an ecosystem?

• producers

• carnivores

• herbivores

• scavengers

Which of the following is the correct order in a food chain?

• sun -> producers -> herbivores -> scavengers -> carnivores

• sun -> consumers -> predators -> parasites -> hosts

• sun -> producers -> decomposers -> consumers -> omnivores

• sun -> producers -> herbivores -> carnivores -> scavengers

In a food web, arrows point in just one direction because they show

• which animal is bigger

• which animals are related

• how energy goes to the animal that is eating

• how energy goes to the animal that is eaten

According to the diagram, the krill are

• producers

• consumers

• decomposers

• scavengers

According to the diagram, the cod are

• decomposers

• predators

• prey

• both predators and prey

The figure below is called a

• food chain

• food web

• energy pyramid

• population

The figure below represents a(n)

• food chain

• food web

• energy pyramid

• population

The algae are

• producers

• consumers

• predators

• decomposers