Evolution Flashcards
1
Q
what theory did Darwin propose
A
Natural selection
2
Q
Darwin 4 main observations
A
1)offspring appear similar to parents
2)No 2 individuals identical
3)Organisms have ability make many offspring
4)populations tend to be fairly stable in size
3
Q
What theory did wallace help with
A
natural selection, gained much more evidence from around world
4
Q
what observations did wallace make
A
-Advantageous adaptations via natural selection
-Geographical boundaries usually = species boundaries
-Organisms usually best suited for their environment
5
Q
Evidence for evolution
A
1.Fossil evidence
2.Comparative anatomy
3.Comparative biochemistry