Chapter 12 pt 3
Small groups of individuals leave their home population and establish new settlements, mating only among themselves, are referred to as the
A. founder effect.
B. bottleneck effect.
C. artificial effect.
D. natural effect.
E. migration effect.
A. founder effect.
A. many organisms have successful survival rates.
B. many members of a population die.
C. large groups of individuals leave their home population and establish new settlements.
D. small groups of individuals leave their home population and establish new settlements.
E. many members of a population reproduce.
B. many members of a population die.
A population declines when
A. animals are removed randomly.
B. death rate exceeds reproductive rate.
C. reproductive and death rates are equal.
D. reproductive rate exceeds death rate.
E. smaller animals are selectively removed.
B. death rate exceeds reproductive rate.
Artificial selection is responsible for many breeds of dogs and cats.
TRUE OR FALSE
TRUE
Natural selection is random because no individuals are eliminated from reproducing due to different environments.
TRUE OR FALSE
FALSE