BIO-109-FINAL TEST REVIEW
QUESTIONS AND ANSWERS
A population of fish that grows according to the logistic equation has a carrying
capacity of 1,000. As an advisor to a fishing company operating in this area, you
would recommend fishing wisely. If approximately _____ fish are left this would give
the maximum sustainable yield. - ANSWER-A-1
B-2
C-25
*(D-500)
E-945
The grasses, shrubs, trees, insects and other animals that live in a habitat constitute
a (an)? - ANSWER-Community.
If two species compete for the same resource it's called? - ANSWER-Predation.
A lichen coexists of fungi and bacteria living closely together. The bacteria
photosynthesysis and provides carbon to the fungus. The fungus absorbs other
nutrients from the sorroundings and provides this nutrients to the bacteria. This type
of introduction between two species would be best characterized as... - ANSWER-
Mutualism.
Some animals are brightly colored to warn potential predators that they are
poisonous. The technical name of this type of coloration is.... - ANSWER-
Aposematic coloration.
A species that is disproportionately important in it's community, such that if removed,
other species would also disappear, would be considered a(an)... - ANSWER-
Keystone Species.
Two plants are growing side by side and very close to each other. Biologist A says
they are probably competitors because both need the same resources from the soil
such as water and nutrients. Biologist B says they are mutualists because they help
each other grow. Which biologist is correct? - ANSWER-Biologist B.
The primary goal of conservation biology is to? - ANSWER-Counter the loss of
biodiversity.
Biodiversity considers.. - ANSWER-The genetic diversity with in and between
populations of a species.
Currently, the single greatest threat to biodiversity? - ANSWER-Habitat destruction
due to humans.
You arrive back in the U.S after having visited a foreign country located on another
continent. The customs agent stops the person in front of you and confiscates the
fruit basket that person was bringing home. Being the knowledgeable person you
, are, you calmly explain to your enraged fellow traveler that the reason for the
detainment is that the fruit basket may be... - ANSWER-Carrying an exotic species
that could damage North American ecosystems.
Chlorofluorocarbons (CFC's) - ANSWER-Deplete the ozone layer.
It is very difficult to discover a new species. - ANSWER-False
Living systems are composed of? - ANSWER-One or more cells
Name the correct form of writing a species name. - ANSWER--Genus must be
capitalized
-Specific epithet is lowered case
-Whole name must be underlined or italicized
At which level of organization do the properties of life emerge. - ANSWER-In cells.
DNA replication is said to be semiconservative. This means that ____________. -
ANSWER-Each new double helix consists of one old and one new strand.
What amount of thymine (T) would be found in a strand of DNA composed of 15%
Cytosine (C)? - ANSWER-35%
(C-G=15% ea. In total that's 30% of 100%)
(A-T=35% ea. In total that's 70% of 100%)
combined total of C-G and A-T that's 100%
A group of several different tissues that work together form ? - ANSWER-An organ
The unity and diversity of life is explained by? - ANSWER-The classification of
species into domains.
How many species have biologists named? - ANSWER-Close to 1.5 to 1.8 million
species.
A broader more inclusive taxon(category) in the classification system of organisms is
a? - ANSWER-Phylum
What is the preferred method to test a hypothesis. - ANSWER-Experiments.
Scientific studies and experiments.. - ANSWER-Provide evidence that may support a
hypothesis but will not prove the hypothesis.
Name a sessile suspension feeder with no true tissues or body symmetry. -
ANSWER-A sponge.
Flatworms (Platythelminthes) are _____________ and typically have
______________. - ANSWER-Bilaterally symmetrical .......a gastrovascular cavity
with one opening.
QUESTIONS AND ANSWERS
A population of fish that grows according to the logistic equation has a carrying
capacity of 1,000. As an advisor to a fishing company operating in this area, you
would recommend fishing wisely. If approximately _____ fish are left this would give
the maximum sustainable yield. - ANSWER-A-1
B-2
C-25
*(D-500)
E-945
The grasses, shrubs, trees, insects and other animals that live in a habitat constitute
a (an)? - ANSWER-Community.
If two species compete for the same resource it's called? - ANSWER-Predation.
A lichen coexists of fungi and bacteria living closely together. The bacteria
photosynthesysis and provides carbon to the fungus. The fungus absorbs other
nutrients from the sorroundings and provides this nutrients to the bacteria. This type
of introduction between two species would be best characterized as... - ANSWER-
Mutualism.
Some animals are brightly colored to warn potential predators that they are
poisonous. The technical name of this type of coloration is.... - ANSWER-
Aposematic coloration.
A species that is disproportionately important in it's community, such that if removed,
other species would also disappear, would be considered a(an)... - ANSWER-
Keystone Species.
Two plants are growing side by side and very close to each other. Biologist A says
they are probably competitors because both need the same resources from the soil
such as water and nutrients. Biologist B says they are mutualists because they help
each other grow. Which biologist is correct? - ANSWER-Biologist B.
The primary goal of conservation biology is to? - ANSWER-Counter the loss of
biodiversity.
Biodiversity considers.. - ANSWER-The genetic diversity with in and between
populations of a species.
Currently, the single greatest threat to biodiversity? - ANSWER-Habitat destruction
due to humans.
You arrive back in the U.S after having visited a foreign country located on another
continent. The customs agent stops the person in front of you and confiscates the
fruit basket that person was bringing home. Being the knowledgeable person you
, are, you calmly explain to your enraged fellow traveler that the reason for the
detainment is that the fruit basket may be... - ANSWER-Carrying an exotic species
that could damage North American ecosystems.
Chlorofluorocarbons (CFC's) - ANSWER-Deplete the ozone layer.
It is very difficult to discover a new species. - ANSWER-False
Living systems are composed of? - ANSWER-One or more cells
Name the correct form of writing a species name. - ANSWER--Genus must be
capitalized
-Specific epithet is lowered case
-Whole name must be underlined or italicized
At which level of organization do the properties of life emerge. - ANSWER-In cells.
DNA replication is said to be semiconservative. This means that ____________. -
ANSWER-Each new double helix consists of one old and one new strand.
What amount of thymine (T) would be found in a strand of DNA composed of 15%
Cytosine (C)? - ANSWER-35%
(C-G=15% ea. In total that's 30% of 100%)
(A-T=35% ea. In total that's 70% of 100%)
combined total of C-G and A-T that's 100%
A group of several different tissues that work together form ? - ANSWER-An organ
The unity and diversity of life is explained by? - ANSWER-The classification of
species into domains.
How many species have biologists named? - ANSWER-Close to 1.5 to 1.8 million
species.
A broader more inclusive taxon(category) in the classification system of organisms is
a? - ANSWER-Phylum
What is the preferred method to test a hypothesis. - ANSWER-Experiments.
Scientific studies and experiments.. - ANSWER-Provide evidence that may support a
hypothesis but will not prove the hypothesis.
Name a sessile suspension feeder with no true tissues or body symmetry. -
ANSWER-A sponge.
Flatworms (Platythelminthes) are _____________ and typically have
______________. - ANSWER-Bilaterally symmetrical .......a gastrovascular cavity
with one opening.
