Cuvier, an anatomist and paleontologist,
proposed that
a. all present-day organisms have descended,
with adaptations, from one--or possibly a
few--original organisms.
b. the earth's history has been marked by
several periods when destruction of
populations was widespread and that, after
each such period, the earth was
repopulated.
c. evolutionary changes in organisms are
caused by use and disuse.
d. although evolution is responsible for all the
changes that happen to species, one center
of creation resulted in the original members
of each species.
e. none of these are true
B
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The first, inner-most energy shell of an atom
A. can have a maximum of 8 electrons. B. can have a maximum of 2 electrons. C. is called the 2p orbital. D. is called the 1s orbital and can have a maximum of 8 electrons. E. is called the 2p orbital and can have a maximum of 2 electrons.
During the first phase of glycolysis, ATP is used to form what type of bond with glucose?
A) phosphoester B) phosphoanhydride C) substrate-level phosphorylation D) dehydrogenation E) hydrogenation
Water's pH is considered neutral when:
a. hydrogen can be bound. b. hydrogen can be released. c. water is slightly alkaline. d. hydrogen and hydroxide ions are equal in number.
If you have a sufficiently large random sample from the population, but do not know how treatment was assigned, what object will a confidence interval centered on the difference in average outcomes for the treated and control groups be describing?
A. ATE B. ETT + Selection Bias C. ETT D. Selection Bias