biology Question botany and more!?

[polecat.hockey]

1.Strictly speaking, evolution refers to
a.genetic changes in populations. c. the establishment of new species.
b.survival of the best-adapted individual. d. the origin of life.
2.The operation of natural selection depends upon the fact that
a.the strong always survive, whereas the weak always die.
b.some individuals have a better chance to produce more offspring.
c.mutations are always harmful.
d.survival of individuals in their environment is mostly determined by random chance.
e.reproduction of all members of a species is virtually the same.
3.To find the oldest rocks in the ocean, where should you look?
a.at hydrothermal vents. c. on top of mid-ocean ridges.
b.near trenches.d. near volcanoes.