Natural Selection

Question 1

Lamarkism

Answer 1

1. fits with Geneis
2. no other evidence
3. confusion between physiology and evolution

Question 2

Evolution & Natural Selection

Answer 2

Has an elaborate systematic tendency to build up elaborate functions that are needed to maintain reproductive success (fitness) ..adaptation

Question 3

Darwin’s 4 premises:

Answer 3

1. organisms are variable
2. at least some variation is heritable
3. a pair of parents produce more than 2 offspring
4. population size generally stable, so differential survival and differential reproduction

Question 3

Adaptation

Answer 3

traits in population modified by NS, meet better the challenges presented by local environment

Question 3

Phenotypic trait

Answer 3

1. physiological
2. behavioural
3. morphological