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| organism that consumes another for energy; a bird that eats a moth |
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| blends into the environment to avoid predation; coloration that matches the environment |
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| inactive during the summertime; dormant during hot months |
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| studied moth populations in England; studied peppered moths |
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| scientist who studies insects |
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| unexpected change in the sequence of DNA; unexpected change in genes |
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| scientist who studies events and circumstances of nature |
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| simplest type of cell that does not have a specific nucleus or other organelles |
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| a group of similar organisms that reproduce fertile offspring |
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| evidence of the existence of life in the past |
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| a seemingly worthless body part; anything that has no apparent function |
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| early development of an organism; the study of the patterns of development of animals |
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| scientist who described evolution through acquired traits |
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| scientist who is considered the father of modern genetics |
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| an inherited trait that makes an individual different from other members of its species |
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| islands near South America that Darwin visited while on the HMS Beagle |
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| structures that have similarity of origin, form and development |
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| structures with similar function but not origin, form and development |
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| scientist who described evolution through natural selection |
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| scientist who studies fossils |
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| change in inherited characteristics over time |
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| organisms with traits best suited to their environment are more likely to survive and reproduce |
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| a slow, ongoing process by which one species changes to a new species |
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| rapid evolution; the appearance of new species over a relatively short period of time |
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| layers of sand, silt, clay or mud are compacted and cemented together |
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| element that gives off a steady amount of radiation as it slowly changes |
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| a group of mammals that includes humans, monkeys, and apes |
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| humanlike primates that ate both meat and plants and walked upright on two legs |
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| type of birds that Darwin studied while exploring the Galapagos Islands |
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| when mountains, lakes or other features separate a small number of individuals from the rest of a population |
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