Question

A tadpole undergoes metamorphosis and develop into frog. List the changes that occur during metamorphosis.​

Answer 1

Answer:

During metamorphosis the tadpole will develop back legs first, then front legs. ... The tadpoles turn into Froglets. The body shrinks and legs form. The Froglet's tail shrinks, the lungs develop and the back legs grow and then we have a Frog.

Answer 2

Answer: The changes a tadpole undergoes to develop into a frog are regressive or destructive and progressive or constructive:

Regressive changes:

i) Tail disappears

ii) Larval skin and horny jaws and teeth are lost

iii) Lateral line sense organs and giils disappear

Progressive changes:

i) Front legs and hind legs develop

ii) New thick skin with mucous glands develop

iii) Heart becomes three-chambered  

iv) Lungs become main respiratory organ

v) Pronephric kidneys are replaced by mesonephric kidneys

Explanation:  During metamorphosis the tadpole will develop back legs first, then front legs.  The tadpoles turn into Froglets. The body shrinks and legs form. The Froglet's tail shrinks, the lungs develop and the back legs grow and then we have a Frog  .During metamorphosis the tadpole will develop back legs first, then front legs. The tadpoles turn into Froglets. The body shrinks and legs form. The Froglet's tail shrinks, the lungs develop and the back legs grow and then we have a Frog.

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