Which of the following is a concept NOT
shared by Larmark and Darwin in their theories
of evolution?
a. gradual change of species over time
b. environmental pressures result in changes
in populations of species over time
c. a drive for perfection leads to changes in
species over time
d. all of these ARE concepts shared by
Larmark and Darwin in their theories of
evolution
e. none of these are concepts shared by
Larmark and Darwin in their theories of
evolution
C
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In humans, equine encephalitis can present as a spectrum from fever and headache to ________and encephalitis.
Fill in the blank(s) with the appropriate word(s).
One disadvantage of a simulation model of an ecosystem is that it
a. does not take into effect interactions between organisms. b. does not take into effect nutrient availability. c. does not take into effect water availability. d. may not be accurate. e. may predict disastrous consequences.
Which of the following does NOT produce
variation? a. crossing over b. random alignment of chromosomes during meiosis c. asexual reproduction d. genetic recombination of alleles e. sexual reproduction
As a research scientist, you measure the amount of ATP and NADPH consumed by the Calvin cycle in 1 hour. You find that 30,000 molecules of ATP were consumed, but only 20,000 molecules of NADPH were consumed. Where did the extra ATP molecules come from?
A) photosystem II B) photosystem I C) cyclic electron flow D) linear electron flow