A disinfectant is used on your work surface:
before the beginning of laboratory procedures.
after all work is complete.
after any spill of live microorganisms.
all of the above are correct.
all of the above are correct.
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Based on this diagram, which organisms evolved more recently?
a. humans and pigs b. moths c. tuna d. yeast
Stimulation of flowering in spring by prolonged exposure to low temperature in winter is called:
a. senescence b. vernalization c. abscission d. dormancy e. chlorosis
Testing subsets of a population allows scientists to
make_______ about the whole population. a. theories b. hypotheses c. generalizations d. conclusions e. all of these
Which of the following is the most predictable outcome of increased gene flow between two populations?
A) lower average fitness in both populations B) higher average fitness in both populations C) increased genetic difference between the two populations D) decreased genetic difference between the two populations