Ch. 6 Vocab.

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Anonymous
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127064
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Ch. 6 Vocab.
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2012-01-10 20:09:29
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Vocab
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Science Test
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  1. A group of organisms that share similar characteristics and can reproduce among themselves to produce fertile offspring
    Species
  2. Change in these inherited characteristcs over time
    Evolution
  3. Means that organisms with traits best suited to their enviornment are more likely to survive and reproduce
    Natural Selection
  4. An inherited trait that makes an individual different from other members of it's species
    Variation
  5. Is any variation thatr makes an organism better suited to its enviornment
    Adaptation
  6. Process by which one species changes to a new species over time
    Gradualism
  7. Rapid evolution comes about when th mutation of a few genes results the apperance of a new species over a relatively short period of time
    Punctuated Equilibrium
  8. Formed when layers of sand,silt,clay, or mud are compacted an cemented together
    Sedimentary Rock
  9. Gives off a steady amount of radiation as i6t slowly changes to a non-radioactive element
    Radio Element
  10. The study of embryos and their development
    Embryology
  11. Body parts that are similar in origin and structure
    Homologous
  12. Structures that don't seem to have a function
    Vestigal Structures
  13. Humans,monkeys, and apes belong to this group of animals
    Primates
  14. Ate both meat and plants and walked upright on two legs
    Hominids
  15. Evolved about 4000,000 years ago
    Homo sapiens

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