Multiple Questions Answers

1. What do biologists call the process when allele frequencies in a population of a species
change over time due to chance?
A. Gene flow
B. Nonrandom mating
C. Genetic drift
D. Bottleneck effect

2. In vascular plants, which of these parts conducts water and minerals upward from
the roots?
A. Xylem
B. Lignin
C. Phloem
D. Fronds

3. Amoebas move by using extensions of their cytoplasm called
A. cilia.
B. pseudopods.
C. vacuoles.
D. sporozoa.

4. The structure of the forelimb of a bird is similar in structure to that of the forelimb of
a mammal, suggesting that both descended from a common ancestor. This similarity is
an example of _______ evidence that supports the theory of evolution.
A. biochemical
B. vestigial
C. anatomical
D. biogeographical