Set: Ch. 15 - Darwin and Evolution

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All 13 Terms

Term Definition
evolution process by which modern organisms have descend from ancient organisms (change over time)
theory a well-supported testable explanation of phenomena that have occurred in the natural world
fossil preserved remains of ancient organisms
artificial selection selection by humans for breeding of useful traits from the natural variation among different organisms
struggle for existence competition among members of a species for food, living space, and the other necessities of life
fitness ability of an organism to survive and reproduce in its environment
adaptation inherited characteristic that increases an organisms chance of survival
survival of the fittest process by which individuals that are better suited to their environment survive and reproduce most successfully; also called natural selection
natural selection process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest
descent with modification principle that each living species has descended, with changes, from other species over time
common descent principle that all living things were derived from common ancestors
homologous structure structure that has different mature forms in different organisms but develops from the same embryonic tissues
vestigial organ organ that serves no useful function in an organism (i.e. appendix)

Set Information

Terms 13
Creator chloejeng
Created May 19, 2008
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Tag final exams 08
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Most Missed Words

  1. descent with modification → principle that each living species has descended, with changes, from other species over time - 4 misses
  2. struggle for existence → competition among members of a species for food, living space, and the other necessities of life - 2 misses
  3. adaptation → inherited characteristic that increases an organisms chance of survival - 2 misses
  4. common descent → principle that all living things were derived from common ancestors - 2 misses
  5. theory → a well-supported testable explanation of phenomena that have occurred in the natural world - 1 miss
  6. fossil → preserved remains of ancient organisms - 1 miss
  7. fitness → ability of an organism to survive and reproduce in its environment - 1 miss