Lecture 1-Life Flashcards
1
Q
what are Steps of origins of life
A
- Abiotic Synthesis
- Formation of Macromolecules from monomers
- Formation of protocells
- Origin of self-replicating molecules and systems.
2
Q
What was darwins vision of the tree of life?
A
Tips=Organisms
Nodes+Common ancestors
3
Q
Is evolution goal Oriented?
A
No
4
Q
Miller and Urey?
A
Replicated conditions, generating amino acids and other organic compounds.
5
Q
What is Macroevolution?
A
Major evolutionary change of an entire taxonomic group over a long period of time.
6
Q
What is Microevolution?
A
evolutionary change within a species or small group of organisms, especially over a short period
7
Q
What is the fossil record?
A
Preserved remnants or impression left by previous organisms. Rare, mostly in sedimentary rocks.
8
Q
Relative dating?
A
Sedimentation occurs in layer called strata. Younger sediments superimposed on older ones.
