Metamerically segmented, bilaterally symmetrical animals bearing jointed appendages. These are characteristic of
A. Helminthes
B. Annelida
C. Mollusca
D. Arthropoda
Answer:A
Metamerically segmented, bilaterally symmetrical animals bearing jointed appendages. These are characteristic of
A. Helminthes B. Annelida C. Mollusca D. Arthropoda