Food Web Quiz (unit 3, Lesson 1)-Honors

Which of the following organisms is a herbivore.

• butterfly
• snake
• fox
• ladybird

Name the producers in this food web.

• seagull and fish
• penguin and crab
• phytoplankton and seaweed
• seaweed and zooplankton

Which of the following organisms is a primary consumer?

• grass

• rabbit

• fox

• snake

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

A simplified forest ecosystem food web is shown to the right, —If additional wrens are introduced into this ecosystem, there will most likely be an immediate decrease in

• snakes

• praying mantis

• frog

• squirrel

A simplified forest ecosystem food web is shown —If additional wrens are introduced into this ecosystem, there will most likely be a INCREASE in

• praying mantis

• frogs

• snakes

• fox

The amount of energy goes____________ as the trophic level goes up.

• up

• down

• stays the same

• fluctuates

What is the basis for the energy in an ecosystem?

• chemosynthesis

• consumers

• heterotroph

• producers

What organism is a TERTIARY consumer in the food web?

• grasses

• grass hopper

• hawk

• coyote

Which species is a producer? (view the diagram)

• A

• B

• C

• D