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mastering biology 1104 Ch.13 part 1 Questions With Complete Solutions $10.99   Add to cart

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mastering biology 1104 Ch.13 part 1 Questions With Complete Solutions

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  • Biol 1104
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  • Biol 1104

mastering biology 1104 Ch.13 part 1 Questions With Complete Solutions

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  • October 15, 2024
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  • Biol 1104
  • Biol 1104
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mastering biology 1104 Ch.13 part 1 Questions With
Complete Solutions

A large population of mice is isolated on an island. There are
two varieties of the mice, brown and gray. Their fur colors
closely match the gray rock outcrops and brown soils of the
island. Hawks are their main predators. This situation most
likely reflects the outcome of __________. Correct Answer
disruptive natural selection
-The hawks will catch the mice they see best in each
environment, favoring the maintenance of two different morphs
in a patchy environment.

A population of small fish lives in a lake with a sandy bottom.
The major predator of these fish is a wading bird that hunts by
sight. Most of the fish are light sandy brown, but about 10% are
mottled. The color pattern is heritable. A construction company
dumps a load of gravel in the bottom of the lake, giving it a
mottled appearance. Which of these statements presents the
most accurate prediction? Correct Answer The proportion of
mottled fish will increase over time.

According to this figure, which pair of organisms shares the
most recent common ancestor? Correct Answer lizards and
ostriches

After his journey on the HMS Beagle, Darwin made this now-
famous sketch in his notebook. Which ideas does it represent?
Correct Answer All species are connected to one another in a
"family tree."
All species are linked to one another by common ancestry.

, Species descend from other species just as naturally as children
come from parents.

As climate change continues, species in which of the following
marine ecosystems are likely to benefit the most? Correct
Answer Rocky areas near shore

As Wallace traveled the Malay Archipelago, he noticed that
western islands had placental mammals, like monkeys. Eastern
islands Correct Answer The western islands were once
connected to Asia and the eastern islands had been connected to
Australia. The islands had never been connected to each other.

Blue poppies native to China are grown at a plant-breeding
center in California, where those with the thickest leaves survive
and reproduce best in the drier climate. This evolutionary
adaptation of the poppies to their new environment is due to
_____. Correct Answer directional selection
-The characteristics of the poppies shifted in response to the
changed environment.

Color is an inherited trait in beetles. If brown beetles move into
a population from a nearby island, which of the following
statements is correct? Correct Answer Gene flow causes the
frequency of the brown allele to increase.

Consider a population of birds living on an island. Suppose
several individuals of the same species from a different
population migrate to the island. Due to the arrivial of the new
birds, the allele frequencies in the original population change.
Correct Answer gene flow

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