Distinguish Between Sea Squirts And Lancelets
Автор: Z Crazy ideas
Загружено: 2025-10-21
Просмотров: 25
Sea Squirts
1) they all are marine surface to depth of the sea water
2)tunic is present
3) notochord is present in head region
4) coelom is absent
5) endostyle is equal to thiroid gland
6) circulatory system is open type
7) only two gills are present
8)) development is indirect
example salpa
lancelets
1) they are marine sone lives burrowing life in sea water
2). tunic is absent
3) notochord is present in head region extend to posterior side
4) coelom is present
5) endostyle is equal to clitoris filter feeding
6) circulatory system is closed type
7) number of gills are present
8) development is indirect larva is freely swimming
example branchiostoma
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