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Biology Life on Earth

Biology

Quiz 16 :

The Origin of Species

Quiz 16 :

The Origin of Species

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Which of these definitions of species BEST matches the biological species concept?
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Multiple Choice
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Answer:

E

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Eastern and Western meadowlarks look almost identical and sometimes inhabit the same areas of prairies. These birds recognize members of their own species by distinctive songs and thus do not breed with each other. This is an example of:
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Answer:

B

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Two species of pines, Pinus radiata and Pinus muricota, live in the same regions of California and are capable of forming hybrids under laboratory conditions. However, they do not interbreed because one releases pollen in February and the other in April. What genetic isolating mechanism is involved?
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Answer:

B

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One species of fish feeds in the muddy bottom of a lake. A second species eats insects that land on the water surface. This is an example of:
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The elaborate courtship rituals of many bird species help to preserve their genetic isolation through:
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The biological species concept cannot be applied to:
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Two species of garter snakes live in the same geographic area. One lives mainly in water and the other mainly on land, so they rarely encounter each other and do not interbreed. What type of isolation is this?
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Female blue-footed boobies of the Galápagos Islands will mate only after a very specific courtship display on the part of the male. He high-steps to advertise his bright blue feet. What mechanism discourages female blue-footed boobies from mating with other species of boobies that have different courtship displays?
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Fruit fly species all look similar to one another. If you have a male and a female fruit fly, how can you prove that they are the same species, according to the biological species concept?
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Two populations of flowers found in the same meadow look identical but are pollinated by different pollinatorsone by a night-flying hummingbird moth, the other by honeybees that fly by day. This is an example of:
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Two different species of pine release their pollen at different times. This is an example of:
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Two populations of flowers look identical but are pollinated by different pollinatorsone by a night-flying hummingbird moth, the other by honeybees. These two flowers represent:
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Two species of snails are physically unable to mate. This is an example of:
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A group of interbreeding natural populations that is reproductively isolated from other such groups is a:
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Before the modern era of science, organisms were assigned to species on the basis of:
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Two fossils may be assigned to different species if:
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The biological concept of species requires that:
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In many species of fireflies, males flash light from their abdomens to attract females. Each species has a different flashing pattern. This is an example of:
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Populations that were once considered separate species are sometimes reassigned to the same species because:
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One method of protecting the genetic isolation of a population is the inability of sperm to fertilize eggs of a different species. This is called:
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