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Home Q & A Board Biology-Related Homework Help General Biology
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rolab97 rolab97
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6 years ago
What are considered to be the two most important factors that have been involved in past mass extinctions?
  a. disease and parasites
  b. fire and weather events
  c. glaciers and earthquakes
  d. environmental and biological factors
  e. plate tectonics and climatic factors

Question 2

Which term describes new ecological opportunities that were not exploited by an ancestral organism?
  a. hybrid zones
  b. fusion zones
  c. stability zones
  d. adaptive zones
  e. reinforcement zones
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leah.kahler3leah.kahler3
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6 years ago
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rolab97 Author
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6 years ago
Thank you for helping me with this assignment of mine
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