Question

brief explain the term polychaete, Dligochaete ,hirodinea

Answer 1

Hey mate


here is your answer :-

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✨polychaeta✨

✴presence of well developed parapodia with numerous setae . larval form is trochophore larva.

for example,

serpula = commonly called handworm

Arenicolla = commonly called long worm

✨ oligochaeta✨

✴Body has few setae

✴there are no any metamorphosis (change in shape)

for example ,

pheretima ( Indian earthworm)

Lumbricus (European earthworm)

✨ Hirudinea ✨

✴ commonly called leech

✴No any parapodia and setae

✴They are ectoparasitic form

for example,

Acanthobdella (marine form)

Hirudinaria (fresh water form)

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I hope it helps you ✌✌✌✌✌✌
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Answer 2

Hey mate here's ur answer ✅✅✅

Polychaete are works like , they belong to group Annelida. They are mostly found in water and are generally aquatic......

Dligochaete are also worms and they also help in indicating pollution.

Hirudinea is a Leech which is a blood sucking animal and they have 5 pair of eyes.

Hope it helps ❤️❤️