Unit III Q Eco
breal
UnitIIIQEco.docx
Question 1: A type of species interaction where one of the individuals is positively affected to the detriment of the other is known as what?
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Amensalism |
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Commensalism |
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Mutualism |
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Parasitism |
Question 2: Vultures feed largely on carrion (dead animals). Their role in the ecosystem is largely as that of a ___________.
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predator |
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true predator |
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scavenger |
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parasite |
Question 3: Cowbirds interact with other bird species in which way?
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They compete for nesting sites. |
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They are brood parasites, letting other species raise their young. |
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They eat the young of other bird species. |
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They provide 'milk' for the offspring of other birds, much like pigeons do for their young. |
Question 4: Penicillium (the source of the antibiotic penicillin) is a mold that secretes a toxin that kills bacteria and other organisms. Penicillium, however, is not harmed by this toxin. This is an example of:
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predator-prey. |
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commensalism. |
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mutualism. |
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amensalism. |
Question 5: 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?
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150,000 |
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250,000 |
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350,000 |
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450,000 |
Question 6: Match the organisms to the relationship.
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Question 7: Pick the phrase that best matches each term
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