Given below are two statements : Statement I : When any plane passing through the central axis of the body divides the organism into two identical halves, it is called radial symmetry. Statement II : In phylum Echinodermata, both adults and larvae are radially symmetrical. In the light of the above statements, choose the most appropriate answer from the options given below :
D. Statement I is correct but Statement II is incorrect
Statement I is correct as it is the exact definition of radial symmetry, where any plane passing through the central axis of the body divides the organism into two identical halves. Statement II is incorrect because in the phylum Echinodermata, the adult echinoderms are radially symmetrical, but the larvae are bilaterally symmetrical.
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