Evolution

Card Set Information

Author:
Megw_4
ID:
283499
Filename:
Evolution
Updated:
2014-09-19 00:55:35
Tags:
science
Folders:
Science
Description:
Evolution
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  1. What type of selection is it when humans select useful variations that nature provides?
    Artificial selection
  2. What type of selection is it when variations are made over time in order to survive.
    Natural selection
  3. DefineĀ species.
    A group of organisms that are able to breed and produceĀ fertile offspring.
  4. What can variations be caused by?
    Mutations
  5. How can fossils and absolute dating be used to prove that evolution occured?
    They can be dated back to before god.
  6. What do transitional fossils show?
    The stages of development of an organism over time.
  7. What do embryos show about evolution?
    That all organisms developed from a similar embryo that has changed over time.
  8. How do proteins link all animals together?
    All animals have the same 20 amino acids that make up a protein.
  9. What does DNA show about the timeline of evolution.
    The more different an organisms DNA is from humans, the further away it is on the evolution timeline.
  10. Why doesn't an individual evolve?
    Evolution occurs over a long period of time to an entire species, not within an individual's lifetime.

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