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Home Q & A Board Biology-Related Homework Help General Biology
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tifoanug tifoanug
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6 years ago
Prior to 500 million years ago, organisms were
  unable to venture onto land because
  a. the earths crust was too hot.
  b. the land was too dry.
  c. there was not enough oxygen in the atmosphere
  for respiration.
  d. the land was not shielded from the suns
  ultraviolet radiation.
  e. there was no organic matter on land for food

Question 2

Which is the correct sequence in the evolution of
  plants?
  a. algae >>> gymnosperms >>> angiosperms>>>
  bryophytes >>> ferns
  b. ferns >>> algae >>> bryophytes >>>
  gymnosperms>>> angiosperms
  c. algae >>> bryophytes >>> ferns >>>
  gymnosperms>>> angiosperms
  d. ferns >>> gymnosperms>>> algae >>>
  bryophytes >>> angiosperms
  e. algae >>> bryophytes >>> ferns >>>
  angiosperms >>> gymnosperms
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Disney6Disney6
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#1
6 years ago
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tifoanug Author
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#2
6 years ago
Electric Light Bulb All of these are right, thanks!
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