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Evolution/Human Family Tree download (plant apatation download-9 (plants…
Evolution/Human Family Tree
Natural selction
in a family there are differences (this is called variations_
charles Darwin learned that all living things had a common ancestor
organism that fit their environment the best will survive and reproduce.
natural selection explains how life started.
natural selection is the same thing as survival of he fittest
Human evolution
the oldest human fossil was found in Africa
modern humans are homo spaiens (wise human)
paleontologists found fossils of past humans
humans and apes share a common ancestor
humans adapted to have larger brains, use tools, taller, and create communities.
humans are primates
charles darwin
on the island he observed the animals were different base on their location.
he disagreed with other scientists, because he believed evolution takes a long time to happen
he travelled and learned about many plants and animals to observe there diferences
he wrote a book called the origin of species
Charles Darwin is the one who came up with the theory of evolution
the theory of evolution is supported by lots of evidence, including genetics and heredity
Fossils
A body fossil is part of the living thing
There are other types of fossils such as trace, mold, and cast
Not everything becomes a fossil
Oil and gas comes from fossil
Oil and gas comes from fossils (fossil fuelsl)
A fossil is the remains of a once-living thing.
plant apatation
plants adapt to get nutrients by using soil animals or other plants
plants adapt to reproduce by spreading their seed (pollen)
plants adapt to get sunlight by growing towards the sun
Plants adapt to get water by having roots underground
living things need to adapt to meet there needs
vaccine
Vaccines are used to fight off viruses
Spanish flu killed a number of people
there are different (versions) of the virus
the flu virus can cause syntoms such as a fever
viruses can mutate and evolve
flu is caused my a virus
Extinction
99 percent of all living things have gone extinct
climate change can lead to the extinction of species
extinction is when the whole species dies out
humans effect the enviroment which can cause the extinction
about 65 million years ago all the dinousaurs went exrtinct
Astrolopethicus
