Chapter 2 Flashcards
1
Q
Postulate 1
A
Individuals differ from one to another
2
Q
Postulate 2
A
Variation is inherited
3
Q
Postulate 3
A
Individuals vary in their success to survive and reproduce
4
Q
Postulate 4
A
Reproduction is nonrandom
5
Q
Natural selection acts on ___ but it’s consequences occur in ___
A
Individuals, populations
6
Q
Natural selection acts on ___ but evolution consists of changes in ___
A
Phenotypes, allele frequencies
7
Q
Natural selection is not
A
Forward looking, lead to perfection, random, progressive
8
Q
Although selection acts on existing traits,
A
New traits can evolve
9
Q
Exaptation
A
An existing trait that, under selection, is later used for something else
