12.1 Flashcards
(8 cards)
1
Q
Natural Selection
A
They are three requirements: 1, preexisting genetic variation, 2, one variation is more beneficial, 3, higher fitness allele will increase over time.
2
Q
Genetic Drift
A
Allele frequency are random due to chance.
3
Q
Variation
A
Different in genetic
4
Q
Fittness
A
measured by the amount of fertile offspring descendants from an organism.
5
Q
Differential reproduction.
A
difference in reproduction.
6
Q
Adaptation
A
an organism that evolve trait to increase living.
7
Q
The five fingers of evolution
A
Shrinks, Mate, Mutation, Movement, Adaptation/Natural selection.
8
Q
Comparing the causes and the effect of natural selection vs. genetic drift
A
Genetic is random, natural is adaptive. They are both different in the population frequency.
