Question

which phylum have body spiny and radial symmetry??


which phylum have bones light and hollow??which phylun have 4 pairs of jointed legs and no wings??which phylum have soft bodied animals supported by calcaneous shells??which phylum have external ear or pinna ??

Answer 1

a) Phylum Echinodermata have spiky body ( eg-brittle star, starfish )

b) Aves have hollow bone ( eg-birds )

c) Phylum Arthopoda have joint legs ( eg-all spider )

d) Phylum Mollusca have soft bodies ( eg-oister, snail )

e) Hemichordata under the Phylum Chordata have externa ear.

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