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Home Q & A Board Biology-Related Homework Help General Biology
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khalasar99 khalasar99
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6 years ago
Which of the following is least likely to be a cause of extinction?
  a. asteroid impact
  b. human activity
  c. adaptive radiation
  d. continental drift
  e. climate change

Question 2

Of all the species that have ever lived on Earth, how many have gone extinct?
  a. less than 1
  b. about 10
  c. about 25
  d. about 75
  e. about 99
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blvanblvan
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#1
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6 years ago
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khalasar99 Author
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6 years ago
Thank you, thank you, thank you!
Tim0301
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Yesterday
You make an excellent tutor!
ofsuahasiufhoas
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2 hours ago
This site is awesome
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