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Home Q & A Board Biology-Related Homework Help General Biology
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qpitt19777 qpitt19777
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6 years ago
Scientists using evolutionary systematics to construct a phylogenetic tree would use:a.
   the number of shared characters the organisms posses.
  b. a combination of ancestral and derived characters.
  c. primarily polyphyletic groupings.
  d. only derived characters.
  e. only ancestral characters.

Question 2

Scientists are now grouping reptiles with birds and mammals because they are all vertebrates that have a(n):
  a. divided brain.
  b. amniotic egg.
  c. mammary gland.
  d. jointed appendage.
  e. epidermal covering.
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Ron.MRon.M
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6 years ago
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qpitt19777 Author
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#2
6 years ago
Nice!
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#3
6 years ago
Happy Dummy
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