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Diversity of Life and Classification — BIOLOGY STD 9 — Question

ICSE BoardEnglish MediumSTD 9BIOLOGYDiversity of Life and Classification5 Marks
Question
Name the various phyla of non-chordates with two examples.
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Answer

The non- chordates are divided into nine phyla:

(i} Protozoa > Euglena, Amoeba

(ii) Porifera > Sycon, Euplectella

(iii), Coelenterata > Hydra, Physalia

(iv) Platyhelminthes > Fasciola, Dugesia

(v) Nemathelminthes > Ascaris, Wuchereria

(vi) Annelida > Nereis, Hirudinaria

(vii) Mollusca > Unio, Pila

(viii) Arthropoda > Palemon, Periplaneta

(ix) Echinodermata > Antedon, Echinus

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