Which of the following is not true of the punctuated equilibrium theory?
a. It was inspired in part by patterns observed in the fossil record.
b. It proposes that most evolutionary change is concentrated in relatively brief episodes of change.
c. It suggests that subgroups diverge and evolve at about equal and constant rates.
d. It suggests that most species undergo little phenotypic change during most of their evolutionary duration.
e. It appears to be well supported by the fossil record.
C
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Fertilization of a human egg takes place in the _____
A) ovary B) oviduct C) cervix D) vagina E) uterus
When selecting among multiple possible phylogenetic trees that fit our data, we use the principle of ____ , which means we choose the ____ possible hypothesis
In phylogenetic analysis, that means selecting the tree that represents the ____ evolutionary changes or mutations. Fill in the blank with the appropriate word.
The alkaloids contained in the nectar of the pitcher plant serve to
a. attract insects. b. attract microbes. c. collect water. d. disable insects
The sporophyte produces
A) gametes by mitosis, followed by meiosis. B) gametes by mitosis. C) gametes by meiosis. D) spores by mitosis. E) spores by meiosis.