Which is an example of warning coloration?
a. The dark brown mane of a lion
b. The bright green and blue feathers of a peacock
c. The black and yellow bands of a wasp
d. The black and white stripes of a zebra
e. The bright red color of roses
c
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How long ago did the hominin evolutionary
line diverge from that leading to the great apes? a. about 3 million years ago b. between 10 million and 5 million years ago c. during the Eocene epoch d. less than 2 million years ago e. about 1.5 million years ago
Which of the following pertain to movement of plants?
A. phototropism B. nastic movements C. gravitropism D. thigmotropism E. All of the choices are correct.
How does thigmotropism affect the growth of a plant?
What will be an ideal response?
Researchers began using short tandem repeats (STRs) because
A) shorter DNA molecules were more likely to persist in a violent situation. B) each person has no more than one copy of each STR. C) STRs are nonuniformly distributed. D) restrictive enzymes cannot be used to cut short DNA molecules.