Visual PPT Quiz 1

CH 3-Food Webs

Question #1: Rabbits eat grass and other plants to survive, but they do not eat animals. What kind of animal are rabbits?

• A.decomposers• B.carnivores• C.producers• D.herbivores• E. omnivores

Question #2: How do decomposers help other organisms in an ecosystem?

• A.They are food for consumers.• B.Through photosynthesis they can make their

own food.• C.They return nutrients back to the soil.• D.They eat plants.• E. They ‘eat the waste’ of dead animals.

Question #3: In what order do a hawk, grass, and rabbit form a food chain in a meadow?

• A.hawk-->grass-->rabbit• B.grass-->hawk-->rabbit• C.rabbit-->grass-->hawk• D.grass-->rabbit-->hawk• E. none of them seem correct

Question #4: The further along the food chain you go,

the less food (and hence energy) remains available.• A. true• B. false

Question #5: This is a diagram of a marine food chain. Which organism in this food chain is a primary consumer?

• A. Mackerel • B. Killer whale • C. Phytoplankton • D. Zooplankton• E. tuna

Question #6: This is a diagram of a marine food chain. Which organism provides the most energy in this food chain?

• A. Mackerel • B. Zooplankton • C. Killer Whale • D. Phytoplankton• E. tuna

Question #7: Look at the diagram…Which organism is a tertiary consumer?

• A. starfish and crab• B. starfish, only• C. seagull + sea

anemone• D. seagull + starfish• E. rock cod and starfish

Question #8: The decomposers in this diagram are:

• A. the arctic willow• B. arctic hare pellets• C. the dead arctic hare• D. The bow flies• E. the purple sadiradge

Question #9: looking at the diagram, the detritovores are:

• A. water hog louse and water flea

• B. water hog louse and worms

• C. water hog louse, worms and shrimp

• D. mayfly, worms, and water hog louse

• E. worms, mayfly and pond snail

Question #10: The scavenger in this diagram is :

• A. the snowy owl• B. the arctic fox• C. the Inuk hunter• D. the gyrfalcon• E. the rough-legged

hawk

Bonus(?pts): Which organism(s) are primary, secondary, and tertiary consumers?