State any five difference between scoliodon and asterias
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SCOLIODEN
1. Scolioden or dog fish belongs to phylum Chordata.
2. Scolioden is fast-swimmer.
3. It has spindle like body.
4. Excretory system is present.
5. Notochord is present.
ASTERIAS
1. Asterias or star fish belongs to phylum Echinodermata.
2. Asterias is a bottom dwelling, slow creeping, nocturnal, carnivorous animal.
3. It has star-shaped body.
4. Excretory system is absent.
5. Notochord is absent.
1. Scolioden or dog fish belongs to phylum Chordata.
2. Scolioden is fast-swimmer.
3. It has spindle like body.
4. Excretory system is present.
5. Notochord is present.
ASTERIAS
1. Asterias or star fish belongs to phylum Echinodermata.
2. Asterias is a bottom dwelling, slow creeping, nocturnal, carnivorous animal.
3. It has star-shaped body.
4. Excretory system is absent.
5. Notochord is absent.
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