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1) what are the potential consequences if a person's kidney suddenly stopped secreting
the normal hormones?
a. the person would have trouble regulating their blood volume and pressure due to the
imbalance of salt in the blood stream.
b. there would be an increase in the amount of water retained in the body, leading to
edema.
c. there would be a significant increase in the amount of potassium that is excreted by
the kidneys.
d. all of the choices are potential consequences.
2) what would you find in the heart of most reptiles?
a. one atrium and one ventricle
b. two atria and one ventricle
c. one atrium and two ventricles
d. two atria and two ventricles
e. two atria and a partially divided ventricle
3) which of the flowering plant structures is used to attract a specific type of pollinator?
a. petals
b. stamens
c. sepals
d. carpel
4) the use of noncultivated fruit, animal skins, fiber, beeswax, and fish are examples of
the ______ value of biodiversity.
a. agricultural use
b. medicinal use
c. consumptive use
d. contributions to the biogeochemical cycles
5) which of these organisms is able to use several body surfaces, such as gills, skin, and
lungs, for respiration?
a. humans
b. birds
c. amphibians
d. reptiles
e. none of the aboveare correct.
6) when ________ and _________ are broken down excess nitrogen is released that
must be eliminated by the excretory system.
a. amino acids & nucleic acids
b. proteins & salts
c. glucose & fatty acids
d. nucleic acids & sulfur
7) for five years, you wake up before the alarm is set to ring each morning. this leads
you to conclude that people have a built-in "alarm clock" capable of waking them up.
from a science viewpoint, this conclusion
a. is science because it is based on real observations.
b. is science because it is predictive of what will happen tomorrow morning.
c. is scientifically valid because 5 years x 365 days is a large number of trials.
d. may not be valid because it generalizes about all people, and there may have been
other variables that could awaken you without a built-in clock.
e. cannot be scientifically treated because it involves human behavior.
8) which of the following statements is not true about the life cycle of flowering plants?
a. the sporophyte is diploid.
b. the sporophyte produces heterospores.
c.the female gametophyte is the seed.
d. the male gametophyte is the pollen grain.
e. the female gametophyte is retained within the body of the sporophyte parent
generation.
incorrect
9) ants following a trail to the sugar bowl in your kitchen are doing so because of
a. chance alone.
b. a dance done by an ant in the anthill.
c. operant conditioning.
d. an innate knowledge of where the sugar can be found.
e. a pheromone pathway laid down by previous ants.
10) which of the following stages of embryonic development consists of only two
layers of cells?
a. morula
b. blastula
c. early gastrula
d. late gastrula
incorrect
11) the organ of nutrition used in fetal development in the most successful mammals is
the
a. mammary gland.
b. egg.
c. pouch.
d. placenta.
e. marsupium.
12) a common cause of amoebic dysentery is
a. trichomonas vaginalis.
b. entamoeba histolytica.
c. plasmodium falciparum.
d. giardia intestinalis.
13) which of the following fruits is a compound fleshy fruit?
a. tomato
b. peach
c. blackberry
d. pineapple
e. all of these are compound fleshy fruits.
