Relationships In Food Webs Question Preview (ID: 18375)
8.11 A Describe Producer/consumer, Predator/prey, And Parasite/host Relationships As They Occur In Food Webs Within Marine, Freshwater, And Terrestrial Ecosystems.
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How are parasitism and predation similar?
a) Both organisms are harmed.
b) Both organisms benefit.
c) One organism benefits and the other is harmed.
d) One organism benefits and the other is not harmed.
Which of the following is necessary for two organisms to be considered as coexisting in a mutualistic relationship?
a) One organism benefits while the other neither benefits nor is harmed.
b) One organism benefits while the other is harmed.
c) Both organisms are harmed from the relationship.
d) Both organisms benefit from the relationship.
How are humans classified within a food web?
a) producers
b) consumers
c) decomposers
d) parasites
An example of a producer-consumer relationship would be between which two organisms?
a) dog and flea
b) flower and bee
c) grass and mouse
d) zebra and lion
An example of a predator-prey relationship would be between which two organisms?
a) dog and flea
b) flower and bee
c) grass and mouse
d) zebra and lion
An example of a parasite-host relationship would be between which two organisms?
a) dog and flea
b) flower and bee
c) grass and mouse
d) zebra and lion
A fox species living in an area eats mostly mice. What would you predict would happen if the mouse population died from a quick-spreading virus?
a) A. Foxes would turn to eating grass species to survive.
b) B. Some foxes would roam outside of their usual home range to find more mice.
c) C. Some foxes may starve.
d) D. Both B and C
A student goes home one day to find his dad chopping down a tree in the backyard. The pine beetle has fed on the tree’s bark, and the tree is almost dead. The pine beetle is a:
a) Carnivore
b) Host
c) Parasite
d) Producer
A snail eating algae growing on a rock
a) Predator and Prey
b) Producer and Consumer
c) Parasite and Host
d) None of the above
A frog flicks its tongue and catches a fly
a) Predator and Prey
b) Producer and Consumer
c) Parasite and Host
d) None of the above
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