1. Julian Gomez,Jessica
Ceballos,Edward
Reyes,Maria Rincon
Chapter 16 Darwin's Theory
of Evolution
Section II.Period 4

2. II. Idea's That Shaped
Darwin's Thinking

3. A. An Ancient, Changing Earth
● 1875 Hutton presents hypothesis
● on how geological process have shaped
Earth

4.
1. Hutton and Geological Change
● Geological process and geological features,
like mountains,valleys,and layers of rocks
that look folded

5. 2. Lyell’s Principles of Geology

6. B. Lamarck’s Evolutionary Hypothesis
● Acquired characteristics
● species become better over time

7. 1. How Did Lamarck Propose That Species
Evolve?
● species characteristics change over time
● change over time using/not using body
parts

8. 2. Lamarck’s Idea
● Acquired characteristics
● adapt by using body in new ways

9. 3. Evaluating Lamarck’s Hypotheses
● traits are passed down (inherited)
● evolution doesn't mean over time species
become better

10. C. Population Growth
● Thomas Malthus notes birth rates are surpassing the
rate of death in pop.

11. What was Malthus' View of
Population Growth?
● 1798, Malthus thinks human pop. growing unchecked
will result in scarce resources.

12.
D. Artificial Selection
● artificial selection is selective breeding of
plants and animals
●

13. 1.How is Inherited Variation used in
Artificial Selection?
● farmers would breed trees that produced
the largest fruit or cows that had more milk
● Darwin tested artificial selection by raising
and breeding pigeons