5 characteristic features of amphixious......
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AMPHIOXUS also called as Lancelet..
It belongs to
phylum- CHORDATA
Class- Protochordata
Sub-Class- Cepahalochordata
characteristics:
1. Mostly found in shallow sea water.
2.Notochord is extended from head to tail region and persistent throughout life.
3.Unisexual, external fertilisation, indirect development i.e., larval stage is found
4.NERVOUS SYSTEM is in form of dorsal, tubular, hollow nerve cord
5.HEPATIC PORTAL system present.
6.For excretion protonephridia are present in form of flame cells or solenocytes.
It belongs to
phylum- CHORDATA
Class- Protochordata
Sub-Class- Cepahalochordata
characteristics:
1. Mostly found in shallow sea water.
2.Notochord is extended from head to tail region and persistent throughout life.
3.Unisexual, external fertilisation, indirect development i.e., larval stage is found
4.NERVOUS SYSTEM is in form of dorsal, tubular, hollow nerve cord
5.HEPATIC PORTAL system present.
6.For excretion protonephridia are present in form of flame cells or solenocytes.
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