Multiple Choice
The types of living organisms on Earth have changed over time,new species have originated and existing species have disappeared.This is an example of:
A) Speciation
B) Extinction
C) Macroevolution
D) Alternation of generations
E) Hybridization
Correct Answer:

Verified
Correct Answer:
Verified
Q48: The idea that evolution proceeds with long
Q48: Mules are considered to be a distinct
Q49: Biologists divide mechanisms of reproductive isolation into:<br>A)Sexual
Q50: Centimeter-thin layers of earth that are rich
Q51: A sterile mule is produced by mating
Q52: Three species of tigers have gone extinct
Q54: In the wild-type purple monkeyflower (M.lewisii),the dominant
Q55: The impact of a large meteorite with
Q56: Bacteria cannot be classified using the biological
Q58: The type of reproductive isolation in which