1. Darwin

2. Father of Evolution Evolution: Organisms change over time
Theory: a well-supported testable explanation of phenomena that have occurred in the natural world.

3. Lamarck Tendency towards perfection Use and Disuse
Bird’s urge to fly= better wings
Use and Disuse
Bird’s limbs into wings/ wings back to limbs
Inheritance of Acquired traits
Muscles to your offspring

4. As of right now, would you back and believe LaMarck?
Yes No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35

5. According to LaMarck, certain traits can be passed on because
They are practiced more
They can choose which help them in their environment
They are randomly acquired
None of the above, because we all know traints can’t be passed on 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35

6. Malthus Babies were being born faster than people were dying
Forces that acted against this growth were: War, Famine and disease.
Darwin saw this in plants and animals even more than human
ex. Maple trees

7. Evolution by Natural Selection
Struggle for existence
Members of each species compete regularly to obtain food, living space, and other necessities of life.
Inherited Variation
Small genetic variations lead to new traits that could be beneficial or detrimental

8. What shape would the curve be for the variation in length of earthworms?
Mountainous
Camel-like
A bell
Flat 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35

9. Survival of the fittest = Natural Selection
Descent With Modification
Each living species has descended, with changes, from other species over time
Common Descent: all living species descended from the same common ancestor

10. Evidence of Evolution Fossil Record
Darwin Proposed that the earth was millions of years old and from looking at the fossil records in older rocks and fossils from younger rocks scienists could document that life on earth had changes over time.

12. Different species living in the same region/environment have similar body structures and behaviors
Homologous Body Structures
Look the same but used differently

14. Vestigal organs
Organs that are still inside bodies of organisms, but aren’t really used anymore.
Example:
Whale hips
Human appendix

16. The Hitch
Natural Selection can only be observed as changes in a population over significant periods of time, not just individuals
The changes occur slowly as variation allows for passing on of the traits that best fit the ENVIRONMENT.
EXCEPT: When the environment changes suddenly, there may be a sudden shift in traits.
Example: Drought, fire, flooding, clear-cutting

17. Darwin’s Conditions In nature there is a tendency for overpopulation.
There is a high death rate.
Variations exist in any population. (it follows the bell shaped curve)
The variations are inherited. (genetic)
Only the organisms with the variations that are suitable to the environment survive.
The organisms that survive get to reproduce and pass on their genes!
The population changes to match the environment, not individuals!

18. Do humans come from Apes?

19. What makes humans unique?
Opposable thumb
3D vision
Bipedal motion
We walk on 2 legs, upright, which means we can move and use our other limbs
Prehensile hands
We can wrap our hands around objects
#2 & #3 lead to hand-eye coordination
Which allows us to use tools

20. Earliest Man on Record Fossils! Early humans referred to as HOMINIDS
Skull fossils found allows us to setup a pretty distinctive timeline.
Based on what other fossils we find with them.
Early humans referred to as HOMINIDS
Most early fossils date back to 7,000,000 years ago
Most were found in East Africa. Why?
It was tropical/subtropical, which made it easier for them to live
Dried out over time, made fossilization easy

22. Did man come from Apes? Or chimps or orangutans….etc.
The answer lies in the question…
Are the apes still found living on earth?
What does natural selection say should have happened if man has come from apes?