Explain tha non chordates

1.	Explain tha non chordates
Answer» Non-chordates are animals without a notochord – the rod-like elastic structure that supports the body. This phylum consists of a small group of worm-like, marine species with an organ-system level of organization. NON-CHORDATES(i)Notochord is absent(ii)Gill slits are absent(iii)Exo skelton are present(iv)Haemoglobin when present is in the blood plasma(v)Example- Platyhelminthes, Nematodes, Molluscs

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