Axiation-The body is having anterior and posterior axis.
Bilateral symmetry-The right and left side of body are mirror image of each other.
Triploblastic condition-The chordates have three germ layers-ectodermand mesoderm.
Coelm-Inannelids,molluscus,arthropods-schizocoelous,in echinoderms,brachiopods and branchiostoma-enterocoelus.
Metamerism-Is a condition in which the body is composed of a linear series of similar body segments,called metameres or somites.
Organ-systems-All the chordates and all non-chordates show organ-systems.
Living endoskeleton-Only chordates possess a living endoskeleton.
Bilateral symmetry-The right and left side of body are mirror image of each other.
Triploblastic condition-The chordates have three germ layers-ectodermand mesoderm.
Coelm-Inannelids,molluscus,arthropods-schizocoelous,in echinoderms,brachiopods and branchiostoma-enterocoelus.
Metamerism-Is a condition in which the body is composed of a linear series of similar body segments,called metameres or somites.
Organ-systems-All the chordates and all non-chordates show organ-systems.
Living endoskeleton-Only chordates possess a living endoskeleton.
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