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  • Hydra has an incomplete digestive system wherein there is only a single opening for intake of food and egestion of waste. What type of body is shown by it?Option

Hydra has an incomplete digestive system wherein there is only a single opening for intake of food and egestion of waste. What type of body is shown by it?

Option: 1

Tube-within-Tube


Option: 2

Dorsoventrally Flattened


Option: 3

Blind sac


Option: 4

All of the above


Answers (1)

best_answer

 

 

Physiology of Cnidaria -

Digestion in Cnidaria:

  • The digestion is extracellular as well as intracellular. 
  • The food is taken into the gastrovascular cavity and the enzymes are released into the cavity. They have incomplete digestive system as there is only one opening that functions as both mouth and anus.


 

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They have incomplete digestive system as there is only one opening that functions as both mouth and anus. This type of body plan is called blind sac plan.

Posted by

Gautam harsolia

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