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| Did Charles "invent" evolution? |
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| tried to explain why living things have changed over time |
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| What is the definition of evolution? |
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| the cgange in allele frequencies of a population over time |
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| What is the equation for evolution??? |
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| scientific facts+observations+well supported theories |
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| Now... what is a scientific theory? |
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| a well supported, testable explanation of a phenomena that has occured in the natural world |
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| he's a brit (hehe) so england? |
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| What ship carried him around our earth? |
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| What did Charles Darwin title his work? |
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Definition
| The Theory of Evolution by Natural Selection |
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Term
| What did he realize about species and their enviornments? |
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Definition
| that they're well suited to the specific enviornment they live in |
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| What place is know the best for Darwin's studies? |
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| What animals did he study most? |
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| Finches, terrestrial and marine igaunas, terrestrial tortoise, the seal and the penguin |
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| What about the finches did he study? |
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| What did he notice about finch beaks? |
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| they varied based on the finchs' diet |
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| Was Darwin the "Father" of evolution? |
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| How many rules can Darwin's principles by divided into? |
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| genetic variety must be presentin a species population for natural selection occurs |
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| Successful reproduction occurs so that the genetic variety can be passed from parents to offspring, and at times, more offspring are produced than that which can survive |
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| selection pressure ovvures when certain genes are "favored" by nature and some are not. The species who have the "favored" trait have am advantage for survival |
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| Which individuals (based on Darwin's principles) survive to reproduce again and pass their genes on |
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| "Survival of the Fittest" |
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| What does it mean for some species to be the "most fit" of a population? |
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Definition
| The "most fit" individuals are those genetic combinations that nature "favors" over others for a variety of reasons |
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| Who said the earth was constantly changing geographically over time? |
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| How old did James Hutton think the world was? |
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| Who said that the earth is changing now the same way it used to? |
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| Who stated the organisms need traits to survive (law of use and disuse) |
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| What explains this: a male crab uses his right claw often, so it grows, but the left which isn't used at all remains small |
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Definition
| the law of use and disuse |
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| What happens to the new, large claw trait? |
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Definition
| it is passed down to offspring |
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| How are traits passed on? |
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Definition
| Parents' DNA are passed on |
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| Is the DNA itself altered by the claw size? |
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