One of the basic principles of evolution is the concept of ____
a. genetic drift
b. divergent physiology
c. economic diversity
d. a shared ancestor
e. creationism
ANSWER: d
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All of the following characteristics are shared between plant and animal development except that in animals, but not plants, _____
A) gene expression in developing embryonic tissues is closely regulated B) orientation of cells and tissues is critical for proper development C) differentiation of cells is directed and maintained by cascades of molecular signals D) once animal cells are differentiated, they cannot de-differentiate and redifferentiate
In the experiment involving bluegill sunfish and their choice of diet, when equal numbers of small,
medium, and large Daphnia are present,
a. the sunfish prefer small Daphnia. b. the sunfish prefer medium Daphnia. c. the sunfish prefer large Daphnia. d. the sunfish show no preference. e. sunfish do not consume Daphnia.
Which of the following do accessory pigments
NOT do?
a. absorb additional wavelengths of light for photosynthesis b. provide protection from UV light c. attract animals for the purposes of seed dispersal and pollination d. reflect white light e. make roses red and violets blue
Which of the following does not use RNA as the genome?
A. Influenza virus B. Poxvirus C. Poliovirus D. Rabies virus