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Unit3 Quiz

Content type
User Generated
Subject
Ecology
School
Columbia Southern University
Type
Homework
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QUESTION 1
1. With __________, one species may negatively affect another, but will not be affected
positively or negatively.
amensalism
commensalism
mutualism
parasitism
10 points
QUESTION 2
1. Cattle egret follow herds of cattle and feed on both the insects stirred by the
movement of the cattle and the biting insects that irritate the cattle. This is an example
of:
parasitism.
predator-prey.
mutualism.
amensalism.
10 points
QUESTION 3
1. The yucca moth interacts with the soapweed yucca in which way?
The moth pollinates the flowers so the larvae can eat the seeds.
The plant provides shelter for adults.
The moth larvae feed on the roots of the plant.
The yucca secretes chemicals that kill the moth.
10 points
QUESTION 4
1. Vultures feed largely on carrion (dead animals). Their role in the ecosystem is largely
as that of a ___________.
predator
true predator
scavenger
parasite
10 points
QUESTION 5

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1. In 2017, the population of striped bass in Lake Texarklahoma is estimated to be around 500,000 fish. If
fisheries regulators intend to achieve a maximum sustainable yield of striped bass from the lake, about how
many fish should be harvested that year?
10 points
QUESTION 6
1. Match the organisms to the relationship.
orchid /
tree
coyote /
rabbit
yucca
moth /
soapweed
yucca
cowbird /
warbler
tapeworm
/ human
A.
mutualism
B.
amensalism
C.
predator-prey
D.
brood parasitism
E.
commensalism
F.
parasite
Orchid/tree: commensalism
Coyote/rabbit: predator-prey
Yucca moth/soapweed yucca: mutualism
Cowbird/warbler: brood parasitism
Tapeworm/human : parasite
25 points
QUESTION 7
1. Pick the phrase that best matches each term
Heterotrophic
Autotrophic
Producers
Primary
consumers
Secondary
consumers
A.
two species that feed on the same prey
organism
B.
organisms at the base of the food web,
autotrophs
C.
self-feeding organisms, photosynthetic
D.
organisms that feed on other organisms
E.
organisms that eat plants (herbivores)

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QUESTION 1 1. With __________, one species may negatively affect another, but will not be affected positively or negatively. amensalism commensalism mutualism parasitism 10 points QUESTION 2 1. Cattle egret follow herds of cattle and feed on both the insects stirred by the movement of the cattle and the biting insects that irritate the cattle. This is an example of: parasitism. predator-prey. mutualism. amensalism. 10 points QUESTION 3 1. The yucca moth interacts with the soapweed yucca in which way? The moth pollinates the flowers so the larvae can eat the seeds. The plant provides shelter for adults. The moth larvae feed on the roots of the plant. The yucca secretes chemicals that kill the moth. 10 points QUESTION 4 1. Vultures feed largely on carrion (dead animals). Their role in the ecosystem is largely as that of a ___________. predator true predator scavenger parasite 10 poi ...
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