Natural selection can only act on traits that
a) are adaptive
b) reduce mortality
c) are heritable
d) are acquired in an individual's lifetime
e) confer a reproductive advantage
Answer: c) are heritable
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90 degrees to the right of the sun is indicated by a. A. b. B. c. C. d. D. e. E.
Cancer patients cells are removed and a new gene is introduced into their _____________
Fill in the blank(s) with the appropriate word(s)
This term refers to the outcome, not the way that the results are achieved, when exact copies of biological entities such as genes, organisms, or cells are produced.
A. GM organism B. plasmid C. plastid D. clone
The most primitive group of animals, lacking tissues and organs, are the:
a. sponges. b. corals. c. flatworms. d. gastropods. e. sea anemones