3 - Evolution Flashcards
1
Q
3 domains of life
A
Archaea
Eukarya
Bacteria (Eubacteria)
2
Q
What are the 3 domains of life based on
A
Based on sharing of genes by horizontal gene transfer
3
Q
what are TACK archaea
A
4 closely related phylums of archaea:
- Thaumarchaeota,
- Aigarchaeota,
- Crenarchaeota
- Korarchaeota
4
Q
Similarities between eukaryotes and TACK archaea
A
- proteins involved in cytokinesis and cell division
- cell shape determination (cytoskeleton?)
- Protein recycling
- membrane remodelling (cellular compartmentalisation)
5
Q
Who was first good scientist (slightly subjective)
A
Alhazan: 964-1040
- stated that a hypothesis must be supported by experiemnts based on confirmable procedures or mathematical evidence
- early pioneer of scientific method
6
Q
Occams Razor meaning
A
Proceed with the simplest explanation consistent with all the data - a guide of how to proceed scientifically
- principle of Parsimony
7
Q
Darwins hypothesis on evolution - 1859
A
- For any particulate trait, individuals within a species are variable;
- (At least) some of this variation is heritable;
- Reproduction is not random, but is selected by Nature: individuals that reproduce the most are those with the most favourable variations (survival of the fittest).
