Which two groups of primates share the closest relatedness?
a. Chimpanzee and hominids
b. Lemurs and Old World monkeys
c. Tarsiers and orangutans
d. Orangutans and Old World monkeys
e. Gibbons and hominids
a
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Which of the following does NOT have an effect on the amount of muscle tension that results from a muscle contraction?
a. the size of the motor units in the muscle b. how frequently the motor units are stimulated c. the type of bone to which the muscle is attached d. the number of motor units active at one time
If adaptation occurred, genotypes remaining at the end of the experiment should have had more rigid enzymes than their ancestors had.
a. true b. false
The bacterial chromosome
A. contains all the cell's plasmids. B. forms a single linear strand of DNA. C. is part of the nucleoid. D. is located in the cell membrane. E. All of these choices are correct.
Why are conifers and cycads considered gymnosperms?
A. The female gametophyte is not completely enclosed in sporophyte tissue at the time of pollination. B. The ovule forms the seed. C. The fruit is not fleshy. D. The pollen is wind dispersed. E. Pollination and fertilization occur at different times.