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Published byDerick Patterson Modified over 9 years ago
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Similarities are noticed Does a sheep Brain resemble a human brain? Are sheep and humans related?
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Similar “arms” and fingers People have noticed similarities between species Are all these organisms related?
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Similar Eyes Model of a sheep eye also works for cow eye and human eye. frog eye, cat eye, etc… Could we be related?
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Similar cells Even at the cell level there are many similarities between all animals. Are all animals related?
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Comparison of mouse and elephant Warm blooded Red and white BC Body hair Produce milk for young 4-chambered heart Lungs Pancreas Lg and small intestine 2 eyes Etc….. Ribs Vertebrae 4 legs Are mice and elephants closely related?
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DNA is identical DNA for ALL species uses the same code. DNA from one species works in another species Are we all related?
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DNA from one species will work in another species This mouse has a gene from a jellyfish in each of his cells. The jellyfish gene is the recipe for a glow in the dark protein. Why does DNA from one species work in another?
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Variety of types There are almost always many species of one TYPE of creature. Many species of butterfly WHY???
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Many species of one TYPE Some fish species in North America Are they closely related? Do they come from the same ancestors?
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ARCHAEOPTERYX
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WHAT HAVE YOU HEARD ABOUT EVOLUTION? Make a KWL Chart Get one Give One
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Archaeopteryx Did birds evolve from small meat-eating dinosaurs? Could this creature be the missing link between dinosaurs and birds?
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ARCHAEOPTERYX A second archaeopteryx fossil
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ARCHAEOPTERYX Artists reconstruction Of what advantage would feathers be in the struggle to survive?
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CHARLES DARWIN Charles Darwin
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Darwin supported by most Scientists today Darwin: Hero of Science and Reason?
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Charles Darwin Laughing stock? Why were his ideas controversial?
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WHY SO MANY SPECIES? http://bugguide.net/node/view/60
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Oldest Fossils ever found. Single Cells. Western Australia 3.4 Billion years old.
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Fossil Stromatolites.. Some of the 1 st evidence of life on earth
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“living” stromatolites Australia
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Stromatolites layers visible in cut-rock
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Stromatolites visible at very high altitude
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Dunkleostus from Lake Erie. Believed to have preyed upon sharks
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