Lecture 25 Flashcards
1
Q
Oldest rocks found?
A
3.9 BYO have no fossils
2
Q
Fossil record shows bacteria when?
A
3.0-3.5 BYO
3
Q
Primitive Oceans
A
Life evolved from here
4
Q
Cellular life originated
A
first 1 billion years of earth history
5
Q
Great moments in evolution
A
- Chemical evolution
- origin of first cell
- origin of photosynthesis and changing atmosphere
- age of slime
- endosymbiosis
- origin of eukaryotic cell
- Snowball earth
- origin of sex
- cambrian explosion
- movement onto land
- catastrophes
- origin of flowering plants
- engineering explosion
6
Q
Seven pillars of life (PICERAS)
A
Program Improvisation Compartmentalization Energy Regeneration Adaptability Seclusion
7
Q
Evidence for evolution
A
Palaeontology and fossil record
Comparative anatomy of cells and organisms
Embryology
Comparative biochemistry and molecular biology
Structure of DNA, gene sequences
8
Q
Taxonomy
A
description and naming of organisms
9
Q
Classification
A
recognising heirarchial groups of related organisms
10
Q
Phylogeny
A
the evolutionary relationships of organisms