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Home Q & A Board Biology-Related Homework Help General Biology
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supernumerary supernumerary
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6 years ago
Which statement is true of deuterostomes?
  a. The second opening into the embryo becomes the anus.
  b. They have two tissue layers.
  c. The second opening into the embryo becomes the mouth.
  d. The first opening into the embryo becomes the mouth.
  e. They are typically radially symmetrical.

Question 2

Four of the following describe a bilaterally symmetrical animal. Which one is the exception?
  a. It has left and right sides.
  b. It usually displays cephalization.
  c. It produces mirror images regardless of the number of cuts through the central axis.
  d. It usually has a three layer body plan.
  e. It can be a deuterostome.
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ogilusinogilusin
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6 years ago
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supernumerary Author
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#2
6 years ago
I'm still confused, but thanks for answering correctly
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