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Which of the following animals show cephalization for the first time?

Option: 1

Roundworms


Option: 2

Flatworms        


Option: 3

Annelids


Option: 4

Platyhelminthes show bilateral symmetry. They are the first animals to show a degree of cephalization 


Answers (1)

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Phylum Platyhelminthes -

  • Platyhelminthes are also called flat-worms because the cross-section of the body is flat.
  • The body is dorsoventrally flattened.
  • They show bilateral symmetry. They are the first animals to show a degree of cephalization. 

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Platyhelminthes show bilateral symmetry. They are the first animals to show a degree of cephalization.

Posted by

HARSH KANKARIA

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