Lecture 9. Darwin's Insights Flashcards
What are three things you could say about life ?
- Amazingly diverse
- Mostly bacteria and insects
- Largely unknown
What is unique to living things ?
Design for purpose
How could you say animals arose ?
A selective, cumulative process
What part does chance play in animal arisal ?
Only a small part
In what form does chance take in the animal arisal ?
Mutations
What proof is there that poor design in of animals ?
The vertebrate eye, light comes in through all the wiring and not from the side where the receptor cells are
What questions did Charles Darwin consider for his entire life ?
- Why is there life on earth?
- Why is life on earth so diverse?
- Why do living things appear to be designed?
- Why does some of that design that appear so poor ?
What did Plato suggest and Aristotle support ?
Essentialism
What is essentialism ?
All objects have a substance that makes the thing what it is, and without which it would be not that kind of thing
What did Louis Agassiz argue ?
That species were fixed, reflecting the mind of the creator
What did Carl Linnaeus, Jean-Baptiste Lamark and Erasamus Darwin question ?
The immutability of species
Who classified living things ?
Carl Linnaeus
How did Carl Linnaeus naming system work ?
It was a 2 part names for genus and species
What did Carl Linnaeus recognise ?
A hierarchical phylogeny
What did Erasamus Darwin contain ideas about ?
- Common descent
- Heritability
- Survival of the Fittest
- Struggle for Existence
- Evolution