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Evolution/human family tree Screen Shot 2020-03-31 at 1.45.02 PM (Natural…
Evolution/human family tree 
Natural Selection
In a family, there can be differences (variations amongst physical or acquired traits, and etc.)
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Charles Darwin
On the islands, he observed that the animals were different based on their geographical environment.
Charles Darwin disagreed with other scientists because he believed that evolution takes a long time to happen
He traveled to South America to learn about many plants and animals in observing their differences in different environments.
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Human Evolution
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Bipedals were species that were able to walk upright, which later became us modern humans.
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Humans adapted to have increase brain size, hold and use different tools, grow taller, and create better communities (homes, cities, etc.)
Fossils
There are other types of fossils such as, trace, mold, and cast. Each fossil is a different footprint of something.
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Over millions of years, plants decomposed into fossil fuels.
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Plant Adaptation
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Plants adapt to get nutrients by using soil, insects, and other plants
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Flu and flu vaccine
The Spanish flu have killed a number of people, the largest recorded flu incident
Vaccination is the process of injecting dead or severely-weakened version of the virus to fight off the actual virus
The flu virus can cause symptoms, such as fever, cold and etc.
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Viruses can mutate and evolve, which is why there are different types of the flu
Extinction
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Evolutionary pressures can also lead to extinction [people are trying to compete for foods and resources]
About 65 million years ago, all dinosaur species went extinct
Human activities can affect the environment, which can cause the extinction of many species
Human groups
Homo Group
The homo group is the current humans today. adapted to a habitual erect posture and a bipedal gait, well-developed and fully opposable thumbs, hands capable of power and precision grips etc.
Paranthropus group
Paranthropus is an extinct bipedal hominid genus that lived approximately 2.7 to 1.2 million years ago. This genus comprises of 3 different hominid species which have helped scientists to link modern humans to our earlier human ancestors.
Australopithecus group
Australopithecus is a genus of extinct hominids closely related to humans. First fossil found 3.9 million years ago
Ardipithecus group
A group of human ancestors that are most closely related to primates. These humans have unique traits that resemble those close to humans and similar characteristics to apes.
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