Question

Consider following features: (a) Organ system level of organisation (b) Bilateral symmetry (c) True coelomates with segmentation of body Select the correct option of animal groups which possess all the above characteristics.

• A. Arthropods, Mollusca and Chordata
• B. Annelida, Mollusca and Chordata
• C. Annelida, Arthropoda and Chordata
• D. Annelida, Arthropoda and Mollusca

Answer 1

Answer: (C)

Annelida, Arthropoda and Chordata

Answer 2

True segmentation is present in Annelida, Arthropoda and Chordata. They also have organ system level of organisation, bilateral symmetry and are true coelomates