22.1, 22.5- Jan 16

Question 1

what main radical ideas were “refuted” in Darwin’s “on the origin”

Answer 1

• species are independent (unrelated)
• earth is young (around 6000 years)
• species are immutable (incapable of change)

Question 2

what two components do scientific theories comprise of

Answer 2

1. pattern
2. process

Question 3

what did Plato claim

Answer 3

• every organism was an example of a perfect essence or type created by God
• types were essentially unchanging

Question 4

what type of thinking do biologists use today

Answer 4

typological

Question 5

describe the great chain of being by aristotle

Answer 5

• species were fixed types
• species were organized into a sequence based on increasing size and complexity
• sequence started with minerals and lower plants
• humans were at the top of the chain