HardZoologyAnimal Kingdom
+4 / -1
Bilateral symmetry is observed in:
A
Flatworms to chordates except adult molluscs
B
Flatworms to chordates except larval molluscs
C
Flatworms to chordates except adult echinoderms
D
Flatworms to chordates except larval echinoderms
Explanation
Most higher phyla show bilateral symmetry, but adult echinoderms are characteristically radially symmetrical, while their larvae are bilaterally symmetrical.
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Tissue level of organization is found in:
NextWhich of the following groups exhibit radial symmetry?
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