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Organismal Relationships Answers

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Many dogs bark when unknown individuals approach their house. What type of interaction is this?

A
Mutualism
B
Predation
C
Symbiosis
D
Competition
2
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What are the three types of symbiosis?

A
predation, mutualism, and parasitism
B
mutualism, commensalism, and parasitism
C
competition, predation, and commensalism
D
parasitism, predation, and competition
3

The competitive exclusion principle states that two organisms cannot fill the same niche. Please select the best answer from the choices provided

A
T
B
F
4

Which of the following is not an example of predation?

A
A blue whale feeding on zooplankton
B
A tree obtaining nutrients from the soil
C
A caterpillar eating the leaves of a tree
D
A wolf eating a deer
5

Living organisms interact in a variety of ways for a variety of purposes. The imperial shrimp rides on sea cucumbers as they travel underwater. This interaction enables the shrimp to use little to no energy to move between the areas in which it feeds. The sea cucumber is typically unaware that the shrimp is using it for transport. Which type of interaction occurs between the imperial shrimp and its host organism?

A
mutualism
B
commensalism
C
parasitism
D
competition
6

Which of the following scenarios is representative of parasitism?

A
Tapeworms living in a mammal’s intestinal tract
B
Remora fish attaching themselves to sharks
C
Birds feeding on insects stirred up by grazing animals
D
Birds eating scraps of food from a crocodile’s teeth
7

What are the three types of interactions between organisms in an ecosystem?

A
competition, mutualism, and predation
B
territoriality, predation, and symbiosis
C
competition, predation, and symbiosis
D
commensalism, parasitism, and mutualism
8

The organism P. malariae lives in red blood cells, causing the host organism to experience high fevers and chills. What type of relationship is this?

A
Mutualism
B
Commensalism
C
Parasitism
D
Competition
9

The competitive exclusion principle states that _______.

A
more than two organisms are capable of filling the same niche
B
competition between species never leads to exclusion
C
two organisms who attempt to fill the same niche will develop a mutualistic relationship
D
when two organisms attempt to fill the same niche, one will exclude the other from the ecosystem
10

The Hawaiian Islands are home to many endangered species. Why do you think the Hawaii Department of Agriculture is so strict about allowing nonnative species onto the islands?

A
It is so strict because a foreign species could mate with a native species and create a new species.
B
It is so strict because a foreign species could become a problem for tourism.
C
It is so strict because a foreign species could compete with a native species and drive it to extinction.
D
It is so strict because a foreign species may not be able to survive in a new environment.

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