Give an example of the following
a. Round worm
b. Fish possessing poison sting
c. A limbless reptile/ amphibian
d. An oviparous mammal
a. Round worm: Ascaris
b. Fish possessing poison sting: Trygon
c. A limbless reptile/ amphibian: reptile – Snake, Amphibian – Ichthyophis
d. An oviparous mammal: Duck-billed platypus