Download L.17.6 Assessment

1.
Commensalism is
a. An interaction among two species where both species benefit from the relationship
b. An interaction among two species where one species benefits and the other species in
unaffected
c. An interaction among two species where one species benefits and the other species is
harmed
d. When two organisms do not interact at all in an environment
2.
Which term best describes a form of symbiosis in which both organisms benefit?
a. Mutualism
b. Parasitism
c. Commensalism
d. Succession
3.
In which of the following symbiotic relationships is one organism harmed, but not usually
killed?
a. Predation
b. Parasitism
c. Commensalism
d. Mutualism
4.
A dog flea feeds on the blood of the dog and obtains shelter in the hairs of the dog, while the
dog is harmed by the loss of blood and possible infections or disease that can result from the
feeding flea. This is an example of
a. Predation
b. Parasitism
c. Commensalism
d. Mutualism
5. A lion feeding on a zebra is an example of predation. The zebra would be considered the
a. Predator
b. Primary consumer
c. Pioneer organisms
d. Prey