Retrogressive metamorphosis in Herdmania/Ascidian tadpole larva || Bsc notes

Retrogressive metamorphosis in Herdmania / urochordata full notes with suitable well labelled diagram explained in hindi by muskan perween.
Herdmania also known as -
tunicates
sea tulips
Sea squirts
Ascidian
During their development from larva to adult stage they show retrogressive metamorphosis
Larva with advanced characters like
•Nerve cord
•Notochord present in larval tail only
•Sensory organs
These advanced features become lost or degenerates during their development hence it is called retrogressive metamorphosis.
Tadpole larva is active and free swimming stage while adult stage is sedentary and simple.
It includes three changes-
Retrogressive changes
Progressive changes
Molecular changes
Sufficient notes for all the degree students
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[@sumitradas9135]

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[@Neheart_ayann]

Mam please make video on feeding mechanism of branchiostoma and echolocation in micro chiropterans 🙏🏻

[@Neheart_ayann]

Mam please make video on feeding mechanism of branchiostoma and echolocation in micro chiropterans 🙏🏻