what is evolution?
Evolution is a gradual change to an organism over a long periods of time. like how scientis say humans evolved frome apes or chimps. or how there was a walking whale. i belive that evolution is a very,very slow process that take millions of years to happen.
there is a lot of evidence that supports evolution like the walking whale, the arcyopx and the penapeds. the walking whale had legs, but could also swim. the areopuxy which was the first animal of its time to have feathers and was the transitional species between birds and dinosuars. and the penapads wich is the transional species of the seal.
natural selection is the survival of the fittest. like how the fittest animal will live and the weak ones will eventualy die out. i dont belive this cause a ant can live and they certainly are not the strongest.
human evolution is where they belive that humans evolved form an ape or a chimp. i dont belive this cause they have yet to find a skeleton that shows that it was bipedel. so i belive that it could be true but there is just not enough info supporting it.
i have learned some stuff like how we are like other species. i also learned that natural selection picks on some of the weaker animals. i also learned what evolution is and why its important.
Wednesday, May 11, 2011
Friday, May 6, 2011
transitional species And fossil Records
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Transitional fossils or missing links are the fosslized remains of early forms of life that illustrate an evolutionary change. there are only a few transitional species that we know like the arhaeopteryx wich is part dino•suars part bird. it is more like the T-Rex than a bird. the picture below is a picture of a arhaeopteryx.
fossil record is life’s evolutionary story over four billion years of environmental conditions and genetic potential that changed with natural selection. Certain kinds of organisms, for example those without hard body parts, like jellyfish and worms don’t have good fossils. the picture below is a jelly fish.
fossil record is life’s evolutionary story over four billion years of environmental conditions and genetic potential that changed with natural selection. Certain kinds of organisms, for example those without hard body parts, like jellyfish and worms don’t have good fossils. the picture below is a jelly fish.
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