KCET · BIOLOGY · STD 11 - 4. Animal Kingdom
In which of the following phyla the adult shows radial symmetry, while the larva shows bilateral symmetry?
- A Annelids
- B Arthropods
- C Molluscs
- D Echinodermata
Answer & Solution
Correct Answer
(D) Echinodermata
Step-by-step Solution
Detailed explanation
(D) Echinodermata,
In the phylum echinodermata, adult animals exhibit radial symmetry, while their larval stages bilateral symmetry. This change in symmetry from bilateral in the larval stage to radial in the adult from is a characteristic feature of echinoderms. Annelids, arthropods and mollucs show bilateral symmetry.
In the phylum echinodermata, adult animals exhibit radial symmetry, while their larval stages bilateral symmetry. This change in symmetry from bilateral in the larval stage to radial in the adult from is a characteristic feature of echinoderms. Annelids, arthropods and mollucs show bilateral symmetry.
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