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Author Question: What adaptation have only toothed whales developed for prey detection? a. Ability to generate ... (Read 63 times)

Capo

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on: Aug 22, 2018

What adaptation have only toothed whales developed for prey detection?
  a. Ability to generate internal body heat
  b. Bradycardia
  c. Advanced gas exchange system
  d. Echolocation



Question 2

What is the transitional organism from invertebrates to vertebrates?
  a. Ophiuroids
  b. Echinoids
  c. Salps
  d. Amphioxus



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AaaA

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Reply #1 on: Aug 22, 2018
Answer to Question 1

ANS: D
Echolocation is the equivalent of biological sonar. Odontocetes generate clicks and sounds that bounce
off prey to be returned towards the whale. Information can be found in the section Marine Mammals
Include the Largest Animals Ever to Have Lived



Answer to Question 2

ANS: D
Amphioxus obtain both vertebrate and invertebrate characteristics. It has a well developed dorsal
tubular nerve chord. It also undulates its body in a fish-like manner. Information can be found in the
section Construction of Complex Chordate Bodies Begins on a Stiffening Scaffold.



Capo

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

Missbam101

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Reply 3 on: Yesterday
:D TYSM

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