Salient features and classification of phyla ?
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Hydra shows radial symmetry, Ancylostoma is an aschelminth. Octopus shows bilateral symmetry and also lacks an external skeleton of shell.
Animalia and its Seven Phylum
- The Animal Kingdom contains more than two million known species.
- The Animal Kingdom contains these seven Phyla: Porifera, Cnidaria, Platyhelminthes, Annelida, Mollusca, Arthropoda, and Chordata.
- The more common name for the Porifera is the Sponge. ...
- Cnidaria.
- Platyhelminthes.
- Annelida. :)
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