Evolutionary change above the species level is referred to as ________, whereas evolutionary change below the species level is known as ________.
A. punctuated; gradualistic
B. convergent; divergent
C. microevolution; macroevolution
D. macroevolution; microevolution
Answer: D
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Mutational hot spots occur most often where the DNA is
A) unwound and stretched. B) repetitive or symmetrical. C) highly coiled. D) bound by RNA polymerase.
Which plant has a jointed hollow stem with reduced megaphylls?
a. moss b. horsetail c. club moss d. whisk fern e. hornwort
Which of the following best supports the hypothesis that the difference in leaf color is genetically controlled?
(A) The number of yellow-leaved seedlings in dish A on day 7 (B) The number of germinated seeds in dish A on days 7 and 14 (C) The death of all the yellow-leaved seedlings (D) The existence of yellow-leaved seedlings as well as green-leaved ones on day 14 in dish B
How do plants control water uptake
What will be an ideal response?