question... What shows evolution over geologic time above the level of the species?
Options:
- (A) speciation events
- (B) Leptospirosis
- (C) cliffs
- (D) rapid expansion
- (E) peachleaf willow
- (F) swamp vegetation
- (G) Darwin
- (H) RNA
answer... Macroevolution is evolution over geologic time above the level of the species. Speciation events are thus examples of macroevolution. Speciation events show evolution over geologic time above the level of the species.
The answer is (A)

question... What happens when people flow into or out of a population?
Options:
- (A) genetic morphing
- (B) death
- (C) gene flow
- (D) movement
- (E) generic flow
- (F) interact
- (G) competition
- (H) gene expression
answer... Gene flow occurs when individuals move into or out of a population. People are individuals, and each person has different needs. Gene flow occurs when people move into or out of a population.
The answer is (C)

question... Sperm had to swim from what to what reproductive organs for zygotes to occur.
Options:
- (A) barnacles
- (B) male to female
- (C) animals
- (D) ocean water
- (E) male to male
- (F) mouth of rivers
- (G) female to male
- (H) female to female
answer...
Sperm had to swim from male to female reproductive organs for fertilization. If fertilization occurs, the fertilized eggs are now described as pre-embryos or zygotes. Sperm had to swim from male to female reproductive organs for zygotes to occur.
The answer is (B)