BIO100 - Mock Exam Complete Questions &
Accurate Detailed Answers\Verified 100%
\Latest Update
At which point in the Gene pool changes establish reproductive barriers between two
adaptation of a populations.
population is it clear that
speciation has occurred?
Take the Lake Victoria Observing the fish in their natural environment for
cichlids. Many of these possible instances of interbreeding leading to several
fishes are similar in generations of fertile offspring.
appearance but have
different feeding habits.
What is the best method for
scientists to determine
conclusively whether the fish
are members of a
population that simply has
a lot of
variation or are
members of entirely
different species?
Clumped (around the resources)
When resources are
unevenly distributed,
The distribution of individuals follows the distribution of
organisms often show a
the resources they exploit, so individuals will be found
__________________ disper
in proximity to the resources.
sion
pattern.
Chimpanzees have a With high probability of survival through adulthood and the
relatively low birth rate. probability of death
increasing significantly in old age, the survivorship
,They care for their young, curve would look like a relatively flat line that drops
and most chimps live a steeply at the end.
long life. The chimp Similar to humans :)
survivorship curve would
look like _.
Kingfish, Louisiana, had a A birth rate of 12/100 should yield 132 new babies; a
population of 1,100 death rate of 8/100 should yield 88 deaths; an
individuals. They had a birth emigration rate of 2/100 indicated that 22 people
rate of 12/100, a death rate moved away.
of 8/100, and an Net gain is then 132 - 88 - 22 = 22
emigration (individuals leaving
the
population) rate of 2/100.
How many people were
added to Kingfish's
population in one year?
Pine trees in a forest tend to Uniform pattern
shade and kill pine
seedlings that sprout
nearby, which causes the pine
trees to grow in a ___________
Under what circumstances In the absence of limiting factors (I.e. in an ideal
will a population always environment with an unlimited carrying capacity) a
grow exponentially? population will reproduce at its maximum rate.
A population of ground 40 individuals added
squirrels has an
annual per capita birth rate 1000 + (0,06 x 1000) - (0,02 x 1000) = 1040
of 0.06 and an annual per
capita death rate of 0.02.
Calculate an estimate of the
number of individuals
added to (or lost from) a
population of 1,000 individuals
in one year.
What are three basic issues when reproduction begins, how often the organism
that life histories entail? breeds, and how many offspring are produced during
each reproductive episode
, A particular environmental A density independent factor, as they affect the same
change causes the deaths of percentage of the population regardless of the
25 individuals in a herd of population density.
100 wild horses, and it kills
50 individuals in a
herd of 200 horses. In this
case, the growth of a wild
horse population is most
likely
limited by_ _. (Assume that the
two
herds are found in territories
of equal size.)
A population containing more Growing rapidly
pre-
productive individuals than
reproductive ones appears
to be...
Researches summarizing Ecological footprint
arable land, pasture, fossil
energy land, and several
other such factors
appropriated by a nation to
produce all the resources
it consumed
and to absorb all the waste it
generates are trying to
calculate the ...
Darwin originally defined descent with modification
evolution as
__________.
Which of the following is a B) Many basic characteristics are shared by all living things.
key observation that must
be explained in a unifying This was one of the observations Darwing made which made him
think of evolution.
theory about life?
A) Evolution is based on
descent with
Accurate Detailed Answers\Verified 100%
\Latest Update
At which point in the Gene pool changes establish reproductive barriers between two
adaptation of a populations.
population is it clear that
speciation has occurred?
Take the Lake Victoria Observing the fish in their natural environment for
cichlids. Many of these possible instances of interbreeding leading to several
fishes are similar in generations of fertile offspring.
appearance but have
different feeding habits.
What is the best method for
scientists to determine
conclusively whether the fish
are members of a
population that simply has
a lot of
variation or are
members of entirely
different species?
Clumped (around the resources)
When resources are
unevenly distributed,
The distribution of individuals follows the distribution of
organisms often show a
the resources they exploit, so individuals will be found
__________________ disper
in proximity to the resources.
sion
pattern.
Chimpanzees have a With high probability of survival through adulthood and the
relatively low birth rate. probability of death
increasing significantly in old age, the survivorship
,They care for their young, curve would look like a relatively flat line that drops
and most chimps live a steeply at the end.
long life. The chimp Similar to humans :)
survivorship curve would
look like _.
Kingfish, Louisiana, had a A birth rate of 12/100 should yield 132 new babies; a
population of 1,100 death rate of 8/100 should yield 88 deaths; an
individuals. They had a birth emigration rate of 2/100 indicated that 22 people
rate of 12/100, a death rate moved away.
of 8/100, and an Net gain is then 132 - 88 - 22 = 22
emigration (individuals leaving
the
population) rate of 2/100.
How many people were
added to Kingfish's
population in one year?
Pine trees in a forest tend to Uniform pattern
shade and kill pine
seedlings that sprout
nearby, which causes the pine
trees to grow in a ___________
Under what circumstances In the absence of limiting factors (I.e. in an ideal
will a population always environment with an unlimited carrying capacity) a
grow exponentially? population will reproduce at its maximum rate.
A population of ground 40 individuals added
squirrels has an
annual per capita birth rate 1000 + (0,06 x 1000) - (0,02 x 1000) = 1040
of 0.06 and an annual per
capita death rate of 0.02.
Calculate an estimate of the
number of individuals
added to (or lost from) a
population of 1,000 individuals
in one year.
What are three basic issues when reproduction begins, how often the organism
that life histories entail? breeds, and how many offspring are produced during
each reproductive episode
, A particular environmental A density independent factor, as they affect the same
change causes the deaths of percentage of the population regardless of the
25 individuals in a herd of population density.
100 wild horses, and it kills
50 individuals in a
herd of 200 horses. In this
case, the growth of a wild
horse population is most
likely
limited by_ _. (Assume that the
two
herds are found in territories
of equal size.)
A population containing more Growing rapidly
pre-
productive individuals than
reproductive ones appears
to be...
Researches summarizing Ecological footprint
arable land, pasture, fossil
energy land, and several
other such factors
appropriated by a nation to
produce all the resources
it consumed
and to absorb all the waste it
generates are trying to
calculate the ...
Darwin originally defined descent with modification
evolution as
__________.
Which of the following is a B) Many basic characteristics are shared by all living things.
key observation that must
be explained in a unifying This was one of the observations Darwing made which made him
think of evolution.
theory about life?
A) Evolution is based on
descent with
