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Flashcards in Chapter 2 Deck (9)
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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