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Home Q & A Board Biology-Related Homework Help General Biology
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LesleyCher LesleyCher
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6 years ago
Which of the following is a fossil?
 
  a. An insect encased in 10-million-year-old tree sap
  b. A woolly mammoth frozen in Arctic permafrost for the last 50,000 years
  c. Mineral-hardened remains of a whale-like animal found in an Egyptian desert
  d. An impression of a plant leaf in a rock
  e. All of these could be considered fossils

Question 2

Evolution _____.
 
  a. is natural selection
  b. is heritable change in a line of descent
  c. can occur by natural selection
  d. is heritable change in a line of descent and can occur by natural selection
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Nax101Nax101
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6 years ago
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LesleyCher Author
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#2
6 years ago
Thank you for taking the time to explain this, just got my quiz back: Perfect
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