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What are the advantages of having a bilaterally symmetrical body?

What are the advantages of having a bilaterally symmetrical body?

Grade:12th Pass

1 Answers

Apurva Sharma
220 Points
5 years ago
Billateral symmetry arose when the ocean animals became mobile. They encountered food from the part which went ahead. Thus mouth developed ahead.
So bilateral symmetry helped in development of:
  • Mouth
  • All sensory organs
  • A coordinating brain in the front end
  • Tail region
  • Also helped organisms to approach the environment equally from both sides
Thus, it is characteristic of most successful and heigher animals including platyhelminthes, aschelminthes, arthropods, molluscs, hemichordates, and chordates.
 
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