1) what is the major reason why xenotransplantation is not being widely used in
medicine today?
a. the human patient will often reject the animal organ.
b. there are not enough animal organs available for transplant.
c. people are not willing to accept an animal organ during a transplant.
d. there are not enough human organs to be able to transplant them to the animals in
need.
2) which of the following best represents analogous structures?
a. the arm of a human and the wing of a bat
b. the arm of a human and the leg of a human
c. the wing of a butterfly and the wing of a bee
d. the wing of a bat and the wing of a butterfly
3) the making of a short-term reproductive sacrifice in order to maximize future
reproductive potential is
a. reciprocal altruism.
b. kin selection.
c. inclusive fitness.
d. territoriality.
4) what is the correct order of blood flow through the cardiovascular system?
a. heart artery arterioles capillaries venules veins
b. heart arterioles artery capillary venules veins
c. heart artery arterioles capillaries veins venules
d. capillaries venules veins – heart arterioles artery
e. capillaries – arterioles artery heart – venules veins
5) why is a large surface area: volume ratio needed for cells to function properly?
a. adequate surface area (plasma membrane) is needed to furnish nutrients to and expel
wastes from the volume (cytoplasm).
b. smaller volumes reduce and larger surface areas reduce the cell’s ability to bring
nutrients in and get rid of waste.
c. a smaller surface area allows the cell to increase its metabolic activity by bringing in
even more nutrients than larger surface areas.
d. the surface area and volume increase at the rate to ensure cell growth and
reproduction.
6) the organisms on the galpagos islands that were most important to the development
of darwin’s theory of natural selection were
a. rabbits and hares.
b. plants and fungi.
c. tortoises and finches.
d. snails and fish.
e. monkeys and armadillos.
7) identify the correct pathway of an oxygen molecule as it goes from the nose to the
alveolus.
a. nostril, nasal cavity, pharynx, glottis, larynx, trachea, bronchus, bronchiole, alveoli
b. nostril, nasal cavity, glottis, larynx, pharynx,trachea, bronchus, bronchiole, alveoli
c. nostril, nasal cavity, larynx, glottis, pharynx, trachea, bronchus, bronchiole, alveoli
d. nostril, nasal cavity, pharynx, glottis, larynx, trachea, bronchiole, bronchus, alveoli
8) which of the following statements about the colon is not true?
a. the colon is active in water absorption, removing about 95% of the water that enters it
and returning it to the bloodstream.
b. insufficient absorption of water can result in diarrhea that may be life-threatening.
c. feces consists of about 25% water and 75% solids that are mainly bacteria from the
intestinal tract.
d. the last section of the colon is the rectum, which terminates in the anus.
e. cells in the walls of the large intestine absorb vitamin k that is produced by bacteria
resident in the colon.
9) a major advantage of the evolutionary species concept is that it
a. relies primarily on reproductive isolation to identify species.
b. applies to both sexually and asexually reproducing species.
c. uses morphological traits to distinguish species.
d. is the same as the classic biological species concept.
10) a megasporocyte is found in the
a. anther.
b. stigma.
c. ovule.
d. filament.
e. style.