1. Tardigrade
  2. Question
  3. Biology
  4. Some characters are given below i. Bilaterally symmetrical ii. Triploblastic iii. Segmented iv. Coelomate Which of the two phyla are characterized by the above all characters?

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Q. Some characters are given below
i. Bilaterally symmetrical
ii. Triploblastic
iii. Segmented
iv. Coelomate
Which of the two phyla are characterized by the above all characters?

NTA AbhyasNTA Abhyas 2020Animal Kingdom

Solution:

Annelida and Arthropoda are bilaterally symmetrical organisms that are triploblastic, segmented and coelomates. Echinoderms are also bilaterally symmetrical organisms, but few show pentaradial, or five-sided, symmetry. Molluscs have bilateral symmetry but are unsegmented organisms.