Before the banning of DDT, which animals were most devastated by its use?
a. bald eagles
b. peregrine falcons
c. ospreys
d. brown pelicans
e. all of these
E
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A drug designed to inhibit reverse transcriptase activity would target
A) coronaviruses and rhabdoviruses. B) hepadnaviruses and retroviruses. C) retroviruses. D) viruses with RNA genomes.
You have identified a new mammal species. You are surprised to find that it has a pelvis, but there is
no evidence the species has legs. However, as a scientist you will most likely conclude:a. the pelvic bones are present because the animal is a mammal. b. that this is a very young animal. c. that you have found a mutant species. d. the pelvic bones are analogous to the pelvic bones found in other mammals. e. that the pelvis is a vestigial structure
If the proportion of A bases in a DNA molecule is 22%, then:
A: There will be 22% T. B: There will be 28% G. C: There will be 50% A+G. D: A and B E: All of the above.
The evolutionary explosion of new species from a common ancestor is
A. adaptive radiation. B. convergent evolution. C. divergent evolution. D. gradualism.