Science: 6.3

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Author:
littleg.ward
ID:
253623
Filename:
Science: 6.3
Updated:
2013-12-17 15:29:41
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science
Folders:
First,Semester
Description:
First semester science Ch 6
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  1. changes in inherited characteristics of a species over time
    EVOLUTION
  2. A species is a group of organisms that share similar ________ and can ________ among themselves.
    • CHARACTERISTICS
    • REPRODUCE
  3. Lamarck's theory of ________ characteristics was not supported by evidence.
    ACQUIRED
  4. Darwin ________ that plants and animals on islands off the coast of South America originally came from Central and South America.
    HYPOTHESIZED
  5. Darwin ________ that species of finches on the islands looked similar to a mainland finch species.
    RECORDED
  6. Darwin reasoned that members of a population best able to survive and reproduce will pass their traits to the next generation; over time, differences can result in separate ________.
    SPECIES
  7. Darwin's hypothesis became known as the theory of evolution by ________ ________ - organisms with traits best suited to their environment will more likely survive and reproduce.
    NATURAL SELECTION
  8. an inherited trait that makes an individual different from other members of its species
    VARIATION
  9. an ________ is a variation that makes an organism better suited to its environment
    ADAPTATION
  10. Many ________ factors can cause changes in the sources of genes.
    ENVIRONMENTAL or NATURAL
  11. Geographic ________ can make two populations so different they become different species.
    ISOLATION
  12. Two models explain the ________ of evolution.
    SPEED
  13. ________ describes evolution as a slow, ongoing process.
    GRADUALISM
  14. The ________ ________ model says gene mutation can result in a new species in a relatively short time.
    PUNCTUATED EQUILIBRIUM

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