Evolution/Human Family Tree .
Natural Selection
Charles darwin learned that all living things share a common ancester
Natural selection explains how life started.
There are diffrences in a familly this is known as varitions
Organisims that fit their enviorment the best will be more likely to survive and reproduce
The natural selection is the same thing as survival of the fittest (Hunger Games)
natural selection causes Evolution
Human Evolution
Humans are part of the primate group
Humasn dont come from monkeys but we share common traits
Paleontologist have found fosils of past humans
The oldest human fossils was found in africa
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Charles Darwin
Charles Darwin devoloped the theory of Evolution
He obserbers that the animals were diffrent depending on their eniviorment.
While traveling he studied many plants and animals
He disaggreed with other scientis becasue he thought evoltion takes a long time to happen.
He wrote a book called the origin of species.
The theory of evolutin is supported by a of evidence.
Fossils
There are diffrent types of ways things can fossilize
Oil, Gas and coal come from fossils.
Noty everything fossilize which is why the fossil record is incomplete
over millions of years plants of compressed into coal
A remmenant of an organism
Fossils tell us about the history of earth
Extinction
About 65 million years agho dinosaurs went extincet
Mass extinction is when a large ammount of species die
99 percent of species have gone extinct
Extinction is when a whole spiecies die out