15. What does radial
symmetry means? What is the
type of symmetry found in
chordates? Which are other
phyla of the animal kingdom
that present species with
radial symmetry?

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Radial symmetry means ()
that the animal are situated
in radialor circular pattern a
center point nonexistence of sides,
right or left. alternative type of
in which structures
placed equally in sides of a
axis is the symmetry
(the symmetry in human
beings, example).

Chordates present symmetry.

Besides cnidarians animal
phylum with presenting
secondary radial is the
phylum . (It is considered
the simplicityof poriferans not
characterize any .)