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Author Question: The sail-like fin on the pelycosaur may have served as all but which of the following? a. sexual ... (Read 79 times)

hubes95

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on: Jul 15, 2018

The sail-like fin on the pelycosaur may have served as all but which of the following?
  a. sexual display
  b. a means of locomotion
  c. a means of protection
  d. a means of defense
  e. a thermoregulatory device



Question 2

The feature that distinguishes the two subclasses of bony fish is their:a.
   gill structure.
  b. skeletal structure.
  c. fin structure.
  d. teeth structure.
  e. scale structure.



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briezy

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Reply #1 on: Jul 15, 2018
Answer to Question 1

B

Answer to Question 2

C


hubes95

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Reply 2 on: Jul 15, 2018
Gracias!

shewald78

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Reply 3 on: Yesterday
Wow, this really help

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