Food Webs and Ecosystems Remediation

Food Webs and Ecosystems Remediation

​Notice the flow of energy.

• ​When one member is removed, it affects the rest.

• Removing the producers affects everyone

• removing the snake increases the shrew and rabbit population

Multiple Choice

Arrows represent ______________

• flow of organisms

• what eats what

• flow of energy

• percent of energy

Multiple Choice

Which organism is NOT a producer?

• grass

• tree

• grasshopper

• shrub

Multiple Choice

Where does the rabbit get its energy from?

• snake

• shrub

• cricket

• robin

Multiple Choice

Which organism is a primary consumer in the above diagram?

• deer

• snake

• hawk

• shrew

Multiple Choice

Which organism is a secondary consumer in the above diagram?

• deer

• rabbit

• squirrel

• shrew

Multiple Choice

Which organism is a decomposer?

• Grasshopper

• Cranefly

• Ant

• Mayfly

Multiple Choice

In this food chain, what will happen if the frogs become extinct?

• The snakes will increase.

• The grasshoppers will decrease.

• The eagles will remain the same.

• The grasshoppers will increase.

Multiple Choice

A deer population has significantly increased, the best hypothesis is ___________.

• the deer's main predator has been eliminated

• competition increased

• decreased water levels of local ponds

• organisms that rely on similar food sources migrated to the area

Multiple Choice

Which event is the best example of competition between species in a pond?

• dragonflies landing on lily pads

• lizards and snakes lying in the sun

• hawks eating mice

• frogs and toads eating flies

Multiple Choice

Which relationship describes predator/prey?

• hawks and shrubs

• mountain lion and deer

• frogs and trees

• grasses and crickets

Multiple Choice

A frog eats a fly. The frog and fly are demonstrating ________.

• mutualism

• competition

• predator/prey

• parasitism