Evolution By Natural Selection Flashcards
1
Q
The empirical observation of adaptation is that
A
Organisms appear as if they are designed
2
Q
What 3 things does natural selection rely on?
A
1) variation
2) selection
3) heredity
3
Q
Define natural selection
A
Heritable traits associated with higher reproductive success (fitness), will accumulate in the population
4
Q
Experimental selection, aka
A
Artificial selection
5
Q
When was ‘On the Origin of Species’ written?
A
1859
6
Q
What is contrivance?
A
Parts appear as if designed for a purpose
7
Q
What is relation
A
All parts appear as if contrived for the same purpose
8
Q
define variation
A
Individuals differ
9
Q
Define heritability
A
Offspring are more like their parents
10
Q
Describe selection
A
Some variants are better at surviving and leaving offspring - have better reproductive success, or fitness
