USAFA Bio 215 Final UPDATED ACTUAL
Exam Questions and CORRECT Answers
Which of these is a biotic component of an environment?
a.
bacteria on the surface of your skin
b.
light
c.
the availability of water
d.
the mineral supplements you consume
e.
the temperature where you live - CORRECT ANSWER - a.
bacteria on the surface of your skin
Horned lizards are desert animals that are active during the day. Their kidneys are efficient at
conserving water; when they get hot, they move to the shade so they can cool off. This describes
_____ adaptation(s) to the hot and dry desert.
a.
anatomical
b.
behavioral
c.
physiological
d.
behavioral and physiological
,e.
anatomical, behavioral, and physiological - CORRECT ANSWER - d.
behavioral and physiological
When astronauts spend time in space, their blood pressure decreases due to lack of gravity. This
is an example of a(n) __________________ response.
a.
physiological
b.
anatomical
c.
behavioral
d.
all of the above - CORRECT ANSWER - a.
physiological
Increased CO2 released into the atmosphere may be caused by any of the following except:
a.
increased ocean acidity
b.
increased ocean temperatures
c.
coal burning power plants
d.
mass forest fires - CORRECT ANSWER - a.
increased ocean acidity
,Which of the following is NOT an abiotic factor affecting the distribution of life in the
bioshpere?
-Temperature
-Energy Source
-Water
-vegetation - CORRECT ANSWER - vegetation
A(n) ____________ consists of all of the abiotic and biotic factors in an area.
a.
organism
b.
population
c.
community
d.
ecosystem - CORRECT ANSWER - d.
ecosystem
Branches growing only on one side of a tree due to high winds is an example of what type of
response to the wind?
a.
physiological
b.
anatomical
c.
, behavioral
d.
environmental - CORRECT ANSWER - b.
anatomical
__________ is the science that studies the interactions between organisms and their
environments.
a.
Discovery science
b.
Population genetics
c.
Ecology
d.
Natural selection - CORRECT ANSWER - c.
Ecology
How did climate change affect the range of the Diana fritillary butterfly?
-it became significantly smaller and divided into two geographically separated groups of
populations
-it became significantly larger by fusing two geographically separated groups of populations
-it became significantly smaller and divided into two separate groups of species
-it became significantly larger and divided into two geographically separated groups of
populations - CORRECT ANSWER - it became significantly smaller and divided into two
geographically separated groups of populations
How have bark beetles benefited from global warming?
Exam Questions and CORRECT Answers
Which of these is a biotic component of an environment?
a.
bacteria on the surface of your skin
b.
light
c.
the availability of water
d.
the mineral supplements you consume
e.
the temperature where you live - CORRECT ANSWER - a.
bacteria on the surface of your skin
Horned lizards are desert animals that are active during the day. Their kidneys are efficient at
conserving water; when they get hot, they move to the shade so they can cool off. This describes
_____ adaptation(s) to the hot and dry desert.
a.
anatomical
b.
behavioral
c.
physiological
d.
behavioral and physiological
,e.
anatomical, behavioral, and physiological - CORRECT ANSWER - d.
behavioral and physiological
When astronauts spend time in space, their blood pressure decreases due to lack of gravity. This
is an example of a(n) __________________ response.
a.
physiological
b.
anatomical
c.
behavioral
d.
all of the above - CORRECT ANSWER - a.
physiological
Increased CO2 released into the atmosphere may be caused by any of the following except:
a.
increased ocean acidity
b.
increased ocean temperatures
c.
coal burning power plants
d.
mass forest fires - CORRECT ANSWER - a.
increased ocean acidity
,Which of the following is NOT an abiotic factor affecting the distribution of life in the
bioshpere?
-Temperature
-Energy Source
-Water
-vegetation - CORRECT ANSWER - vegetation
A(n) ____________ consists of all of the abiotic and biotic factors in an area.
a.
organism
b.
population
c.
community
d.
ecosystem - CORRECT ANSWER - d.
ecosystem
Branches growing only on one side of a tree due to high winds is an example of what type of
response to the wind?
a.
physiological
b.
anatomical
c.
, behavioral
d.
environmental - CORRECT ANSWER - b.
anatomical
__________ is the science that studies the interactions between organisms and their
environments.
a.
Discovery science
b.
Population genetics
c.
Ecology
d.
Natural selection - CORRECT ANSWER - c.
Ecology
How did climate change affect the range of the Diana fritillary butterfly?
-it became significantly smaller and divided into two geographically separated groups of
populations
-it became significantly larger by fusing two geographically separated groups of populations
-it became significantly smaller and divided into two separate groups of species
-it became significantly larger and divided into two geographically separated groups of
populations - CORRECT ANSWER - it became significantly smaller and divided into two
geographically separated groups of populations
How have bark beetles benefited from global warming?
