BIO 1300 Exam #1 Practice Questions with correct answers//
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Terms in this set (233)
The term evolution is used to heritable changes in characteristics of a population from one generation to
describe the next
Evolution, viewed on a small microevolution
scale, as it relates to changes in a
single gene or allele frequency in
a population over time, is called
The concept of a species was John Ray
proposed by
Several turtles hatch from a clutch of eggs buried in the sand
Darwin's concept of evolution
on a beach. One of the turtles is the color of the sand, the
"the theory of descent with
others are darker in color. The turtles all scurry to the
modification through
water, but one by one the dark turtles are eaten by birds,
variation and natural
only the sand colored turtle survives. When it enters the
selection" can be
water the sand color changes to a darker brown. The turtle
demonstrated by which of the
grows, mates and has offspring that are also sand colored
following examples?
when they are born.
Peter and Rosemary Grant Yes; because the average beak depth of birds in the population increased
study natural selection in from
finches on the Galápagos 8.8mm in 1976 to 9.8mm in 1978.
Islands. They have
hypothesized that dry
condition produce larger seeds
and may result in larger
beaks in succeeding
generations of finches. The
figure below shows their data
from 1976 and 1978. The y-
axis is the number of birds
measured and the x-axis is the
beak depth. Do their data
support their hypothesis and
why?
What is true of a fossil that is It has all of the traits of its ancestors and some of the traits of its
descendants.
,classified as a "transitional
form"?
, An important message from only a fraction of any population will survive and reproduce
the work of Thomas Malthus
that influenced Charles
Darwin was
According to Thomas True
Malthus, food supplies tend to
increase arithmetically while
populations tend to increase
exponentially, which means
that populations will outgrow
their food supply.
How did Darwin develop his Observation
theory of evolution?
Extincti
The process of natural selection on.
results in Adaptati
on.
Speciati
on.
During the Beagle journey, Because the island species had both similarities to their
Darwin visited islands, continental ancestors and unique adaptations to their island
allowing him to compare environments
island species with continental
species. In terms of framing
his theory of evolution, why
was this significant?
What idea is shared by both Environmental changes can lead to the modification of traits.
Lamarck's and Darwin's theories
of evolution?
The interlocking rib cage of Primitive wrist and finger-like bones.
Tiktaalik roseae suggests that
this transitional organism had
lungs. What other traits were
found in T. roseae, but not in its
ancestral form?
Which scenario best illustrates a population of mosquitoes develops resistance to a pesticide.
the process of natural
selection?
A coral species that currently endemic
Already Graded A+
Terms in this set (233)
The term evolution is used to heritable changes in characteristics of a population from one generation to
describe the next
Evolution, viewed on a small microevolution
scale, as it relates to changes in a
single gene or allele frequency in
a population over time, is called
The concept of a species was John Ray
proposed by
Several turtles hatch from a clutch of eggs buried in the sand
Darwin's concept of evolution
on a beach. One of the turtles is the color of the sand, the
"the theory of descent with
others are darker in color. The turtles all scurry to the
modification through
water, but one by one the dark turtles are eaten by birds,
variation and natural
only the sand colored turtle survives. When it enters the
selection" can be
water the sand color changes to a darker brown. The turtle
demonstrated by which of the
grows, mates and has offspring that are also sand colored
following examples?
when they are born.
Peter and Rosemary Grant Yes; because the average beak depth of birds in the population increased
study natural selection in from
finches on the Galápagos 8.8mm in 1976 to 9.8mm in 1978.
Islands. They have
hypothesized that dry
condition produce larger seeds
and may result in larger
beaks in succeeding
generations of finches. The
figure below shows their data
from 1976 and 1978. The y-
axis is the number of birds
measured and the x-axis is the
beak depth. Do their data
support their hypothesis and
why?
What is true of a fossil that is It has all of the traits of its ancestors and some of the traits of its
descendants.
,classified as a "transitional
form"?
, An important message from only a fraction of any population will survive and reproduce
the work of Thomas Malthus
that influenced Charles
Darwin was
According to Thomas True
Malthus, food supplies tend to
increase arithmetically while
populations tend to increase
exponentially, which means
that populations will outgrow
their food supply.
How did Darwin develop his Observation
theory of evolution?
Extincti
The process of natural selection on.
results in Adaptati
on.
Speciati
on.
During the Beagle journey, Because the island species had both similarities to their
Darwin visited islands, continental ancestors and unique adaptations to their island
allowing him to compare environments
island species with continental
species. In terms of framing
his theory of evolution, why
was this significant?
What idea is shared by both Environmental changes can lead to the modification of traits.
Lamarck's and Darwin's theories
of evolution?
The interlocking rib cage of Primitive wrist and finger-like bones.
Tiktaalik roseae suggests that
this transitional organism had
lungs. What other traits were
found in T. roseae, but not in its
ancestral form?
Which scenario best illustrates a population of mosquitoes develops resistance to a pesticide.
the process of natural
selection?
A coral species that currently endemic
