Diversity of Form and Func on Final Exam With
complete solu on RATED A+ 2025/2026
Temperature varies with me and space. Which of the following is the coldest?
A. Arizona in July
B. Paris in June
C. Melbourne in January
D. Iowa City today - Correct Answers D
Some red knots avoid winter by execu ng extremely long migra ons, from the p of South
America to north of Hudson Bay and back, every year. Where in their migra on would they
experience the shortest days?
A. The Ar c in June
B. South America in December
C. The Equator in March
D. My migra ng, red knots always enjoy 24 hour days - Correct Answers C
A popula on whose members are distributed in clumps:
A. Compete for limi ng resources such as nes ng sites
B. Neither benefit nor suffer from close proximity
C. Gain some sort of advantage from aggrega on
D. Are members of the same families - Correct Answers C
The size of a popula on is determined by:
A. Birth rate
B. Birth rate and death rate
C. Immigra on and emigra on rates
,D. All of the above - Correct Answers D
The grazing of aspen seedlings by elk is an example of what kind of species interac on?
A. Commensalism
B. Compe on
C. Mutualism
D.Antagonism - Correct Answers D
The number of rings in a tree trunk provides an accurate measure for the age of the tree in
years. Which of the following does not contribute to this?A. There is more precipita on at the
beginning of the growing season compared to later on.
B. When water is abundant, vessel elements and tracheids reach a greater diameter before
differen a ng and dying than when water is scarce.
C. The transport cells of xylem are very durable and build up with con nued cambium ac vity.
D. The cambium makes alterna ng rings of xylem and phloem every year. - Correct Answers D
Sea o5ers are members of:
A. Cnidaria
B. Mammalia
C. Rep lia
D. Amphibia - Correct Answers B
Sea urchins are members of:
A. Cnidaria
B. Ctenophores
C. Crustaceans
D. Echinoderms - Correct Answers D
, The feature shared by cnidarians, ctenophores and echinoderms is:
A. 3 body layers
B. Radial Symmetry
C. Blastopore becomes the mouth
D. Jointed Legs - Correct Answers B
Giant kelp, brown alage, are members of:
A. Archaeplas ds
B. Stramenopiles
C. Alveolates
D. Opisthokonts - Correct Answers B
The number of species on an island eventually reaches a state of equilibrium (S), in which the
number of species added by immigra on is balanced by the number of species lost to
ex nc on. Which of the following would show the lowest S?
A. Small, remote islands
B. Large, remote islands
C. Small islands near the mainland
D. Large islands near the mainland - Correct Answers A
Which of the following statements is incorrect regarding the processes that lead to prevailing
winds blowing from the west in Iowa?
A. Sunlight strikes the Earth at a steep angle at the Equator, warming the land and evapora ng
water, causing warm moist air to rise.
B. As warm, moist air rises it cools, loses moisture and is displaced north or south by warm air
rising below it.
complete solu on RATED A+ 2025/2026
Temperature varies with me and space. Which of the following is the coldest?
A. Arizona in July
B. Paris in June
C. Melbourne in January
D. Iowa City today - Correct Answers D
Some red knots avoid winter by execu ng extremely long migra ons, from the p of South
America to north of Hudson Bay and back, every year. Where in their migra on would they
experience the shortest days?
A. The Ar c in June
B. South America in December
C. The Equator in March
D. My migra ng, red knots always enjoy 24 hour days - Correct Answers C
A popula on whose members are distributed in clumps:
A. Compete for limi ng resources such as nes ng sites
B. Neither benefit nor suffer from close proximity
C. Gain some sort of advantage from aggrega on
D. Are members of the same families - Correct Answers C
The size of a popula on is determined by:
A. Birth rate
B. Birth rate and death rate
C. Immigra on and emigra on rates
,D. All of the above - Correct Answers D
The grazing of aspen seedlings by elk is an example of what kind of species interac on?
A. Commensalism
B. Compe on
C. Mutualism
D.Antagonism - Correct Answers D
The number of rings in a tree trunk provides an accurate measure for the age of the tree in
years. Which of the following does not contribute to this?A. There is more precipita on at the
beginning of the growing season compared to later on.
B. When water is abundant, vessel elements and tracheids reach a greater diameter before
differen a ng and dying than when water is scarce.
C. The transport cells of xylem are very durable and build up with con nued cambium ac vity.
D. The cambium makes alterna ng rings of xylem and phloem every year. - Correct Answers D
Sea o5ers are members of:
A. Cnidaria
B. Mammalia
C. Rep lia
D. Amphibia - Correct Answers B
Sea urchins are members of:
A. Cnidaria
B. Ctenophores
C. Crustaceans
D. Echinoderms - Correct Answers D
, The feature shared by cnidarians, ctenophores and echinoderms is:
A. 3 body layers
B. Radial Symmetry
C. Blastopore becomes the mouth
D. Jointed Legs - Correct Answers B
Giant kelp, brown alage, are members of:
A. Archaeplas ds
B. Stramenopiles
C. Alveolates
D. Opisthokonts - Correct Answers B
The number of species on an island eventually reaches a state of equilibrium (S), in which the
number of species added by immigra on is balanced by the number of species lost to
ex nc on. Which of the following would show the lowest S?
A. Small, remote islands
B. Large, remote islands
C. Small islands near the mainland
D. Large islands near the mainland - Correct Answers A
Which of the following statements is incorrect regarding the processes that lead to prevailing
winds blowing from the west in Iowa?
A. Sunlight strikes the Earth at a steep angle at the Equator, warming the land and evapora ng
water, causing warm moist air to rise.
B. As warm, moist air rises it cools, loses moisture and is displaced north or south by warm air
rising below it.
