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1) a flagellated protist that is sexually transmitted is
a. plasmodium.
b. giardia.
c. entamoeba.
d. trichomonas.
e. paramecium.
2) which factor led to mendel's success as a scientist?
a. applied mathematics to the field of science
b. followed the scientific method very closely
c. kept detailed records of his research
d. all of these factors made mendel successful
3) which statement is not true about the rna-first hypothesis?
a. it is supported by the discovery that rna can act as an enzyme.
b. it is supported by the fact that some viruses have rna as their genetic material.
c. it suggests that there was an "rna world" about 4 billion years ago.
d. it says that first rna, then dna, and then proteins would have been necessary to
interact in the chemical evolution that would have led to the development of the first
cells.
4) another student proposes that handedness could just as easily be passed to children
by how the parents carry the child and interact with it, a learning process that may
perpetuate fromthe parents' handedness. assuming all parents and children are
expressing their "true handedness," the occurrence of which case below would cast the
most serious doubt on a simple genetic basis for handedness, with left-handedness
recessive?
a. two right-handed parents have a left-handed child.
b. two left-handed parents have a right-handed child.
c. left-handed parents only have left-handed children.
d. right-handed parents only have right-handed children.
e. none of the choices are correct.
5) the "hardwired" or inherited set response patterns that are described for a male
cheetah spraying a pheromone to mark its territory, a bee performing a waggle-dance,
or a cricket singing to sort out mates, are
a. symbol systems.
b. inherited systems that are evolutionarily adaptive.
c. the sociobiological roots of our language system.
d. altruistic adaptations to improve the general environment.
e. languages similar to human languages in variability and learning requirements.
6) homo erectus succeeded in new and colder environments because they occupied
caves, used fire, and were more capable of obtaining and eating meat as a substantial
part of their diet. this is an example of
a. the founder effect.
b. positive assortative mating.
c. adaptive radiation.
d. biocultural evolution.
7) the absence of this neurotransmitter would lead to a person having problems
regulating body temperature and controlling their emotions.
a. serotonin
b. endorphins
c. aceteylcholinesterase
d. dopamine
8) the functions of the human nervous system include
a. sensory input.
b. integration.
c. generation of motor output.
d. all of the choices characterize the human nervous system's functions.
e. detection of stimuli.
9) which of the following observations is not part of natural selection as posed by
darwin?
a. individuals within a species exhibit variation.
b. organisms compete for available resources.
c. individuals within a population differ in terms of reproductive success.
d. organisms become adapted to conditions as the environment changes.
e. all of these observations are part of natural selection as posed by darwin.
incorrect
10) zoologists extracted the chemical that the japanese beetle uses to attract a mate, and
used it in a trap to reduce the beetle population. scientists were using a
a. hormone.
b. pesticide.
c. enzyme.
d. pheromone.
e. excretion.
11) which best describes the second law of thermodynamics?
a. energy is not created nor destroyed, but it can change into matter.
b. energy is not created nor destroyed, but it can change from one energy form to
another.
c. energy can be created from matter or used to produce matter.
d. some useful energy is lost as heat whenever an energy transfer occurs.
e. energy transfers are always 100% efficient in changing energy from one useful form
to another.
12) the outlined group is
a. monophyletic.
b. paraphyletic.
c. polyphyletic.
d. monophyletic and paraphyletic are correct.
