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 what?
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Ecological Isolation
A single species of finch from South America was displaced to a new habitat in the
Galapagos Islands and evolved rapidly into several new species as it exploited the
new resources. What occurred in these Darwin's finches?
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Adaptive Radiation
Definition: Adaptive Radiation is a process in which organisms diversify
RAPIDLY into a multitude of new forms, particularly when a change in the
, environment makes new resources available, creates new challenges, or
opens new environmental niches
Which of the following is an example of assortative mating?
(A) A dominant male elephant mates with most females in a group, excluding other
males from mating with the females.
(B) A female mouse chooses a mate because he is the same color that she is.
(C) A female sparrow chooses a mate because he attracts her by singing the correct
song.
(D) A female sheep chooses a mate because he has previously mated with many
females.
(E) A female lizard chooses to mate with the first male she encounters.
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A female mouse chooses a mate because he is the same color as she.
(Assortative mating is where one prefers a mate with similar genotypes to
one's own)
In a single family, the parents have brown eyes but all five of their children have green
eyes. This is an example of evolution. True or False?
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FALSE!
Natural selection causes genetic changes in populations. True or False?
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insects that land on the water surface. This is an example of what?
Give this one a try later!
Ecological Isolation
A single species of finch from South America was displaced to a new habitat in the
Galapagos Islands and evolved rapidly into several new species as it exploited the
new resources. What occurred in these Darwin's finches?
Give this one a try later!
Adaptive Radiation
Definition: Adaptive Radiation is a process in which organisms diversify
RAPIDLY into a multitude of new forms, particularly when a change in the
, environment makes new resources available, creates new challenges, or
opens new environmental niches
Which of the following is an example of assortative mating?
(A) A dominant male elephant mates with most females in a group, excluding other
males from mating with the females.
(B) A female mouse chooses a mate because he is the same color that she is.
(C) A female sparrow chooses a mate because he attracts her by singing the correct
song.
(D) A female sheep chooses a mate because he has previously mated with many
females.
(E) A female lizard chooses to mate with the first male she encounters.
Give this one a try later!
A female mouse chooses a mate because he is the same color as she.
(Assortative mating is where one prefers a mate with similar genotypes to
one's own)
In a single family, the parents have brown eyes but all five of their children have green
eyes. This is an example of evolution. True or False?
Give this one a try later!
FALSE!
Natural selection causes genetic changes in populations. True or False?
Give this one a try later!
