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Author Question: What is the most effective anti-drag body plan? a. Torpedolike b. Horizontally compressed c. ... (Read 18 times)

karen

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What is the most effective anti-drag body plan?
  a. Torpedolike
  b. Horizontally compressed
  c. Vertically compressed
  d. Disk-shaped



Question 2

What is considered the most primitive true animal?
  a. Porifera
  b. Cnidaria
  c. Annelida
  d. Mollusca




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alexisweber49

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Answer to Question 1

ANS: A
Drag is the resistance to movement and is determined by the frontal area, body contour, and surface
texture. It increases geometrically with increasing speed. Information can be found in the section
Fishes Are Successful Because of Unique Adaptations.



Answer to Question 2

ANS: A
Sponges, in the phylum Porifera, are the most primitive. They are all suspension feeders that are found
in all latitudes. Information can be found in the section Invertebrates Are the Most Successful and
Abundant Animals





karen

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Reply 2 on: Aug 22, 2018
YES! Correct, THANKS for helping me on my review


nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

 

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