New genetic variations sometimes become more common within populations because ____
a. most parts of the genome are non-coding and available for selection
b. proteins can be "recruited" for advantageous function
c. the resulting proteins are advantageous and selected for by nature
d. adaptation occurs rapidly in the few species that have survived through time
e. mutations are able to select against genetic variations that had disadvantageous function
ANSWER: c
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What is the purpose of dialysis treatments?
A. To constrict blood vessels to prevent death from dehydration B. To keep the airways open so one can breathe C. To replenish oxygen in the bloodstream D. To detoxify dangerous chemicals in the bloodstream
Hawaiian honeycreepers exhibit diverse beaks that allow them to feed on insects, flowers, and seeds in their different
habitats. This is an example of ____.
a. a derived trait b. convergent evolution c. morphological convergence d. morphological divergence e. a key innovation
Cavitation would have no effect on translocation.
Answer the following statement true (T) or false (F)
Which of the following are wave-resistant formations that consist primarily of calcium carbonate secreted by generations of coral polyps?
A. Seamounts B. Hydrothermal vents C. Benthic provinces D. Pelagic provinces E. Coral reefs