Question

In urochordates, respiration takes place by
1) Gills
2) Book gills
3) Diffusion
4) Ctenidia​

Answer 1

Option 1 is correct i.e., Gills

Bcz. gills are +ve pressure breathing and gas exchange through their skin to get oxygen.

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Answer 2

In urochordates, respiration takes place by gills.

• Urochordates use gill silts to exchange oxygen and carbon dioxide.
• Urochordata is derived from the name based on the position of the notochord.
• The notochord is present in the tail region of the Urochordatas.
• The larva of Urochordata attaches its tail to the ocean floor. By this attachment, it helps the larva to undergo metamorphism to change into an adult.