Match the following list of animals with their level of organisation.
A. Organ level i. Pheritima
B. Cellular agregate level ii. Fasciola
C. Tissue level iii. Spongilla
D. Organ system level iv. Obelia
Choose the correct match showing division of labour with animal example.
i-B, ii-C, iii-D, and iv-A
i-B, ii-D, iii-C, and iv-A
i-D, ii-A, iii-B, and iv-C
i-A, ii-D, iii-C, and iv-B
