Variation, etc Flashcards
(7 cards)
1
Q
What are the 2 types of variation?
A
Discontinuous, continuous
2
Q
What are the 3 types of natural selection?
A
Directional (whole curve moves), Stabilizing (selection against the 2 extremes), disruptive (selection for the 2 extremes)
3
Q
What does the definition of speciation ignore?
A
Infertile individuals, fertile hybrids
4
Q
What are the 2 types of speciation?
A
Sympatric, Allopatric
5
Q
What can cause a change in biodiversity?
A
Natural selection, speciation, human impact
6
Q
What is a problem with classification?
A
Tentative, new discoveries need new groups, protists dumping ground, places divisions in continuous trends
7
Q
What is the biochemiacal method of classification?
A
Gel electrophoresis
