1.

Given one example each of the following `:` (a) Round worm (b) Fish possessing poison sting (c ) A limbless reptiles `//` amphibian (d) An oviparous mammal.

Answer» (a) Ascaris lumbricoides ( the giant intestinal round worm )
(b) Trygon sp (sting ray )
(c ) Amphibian-Ichthyopis , Reptiles- snakes ( e.g., Naja - The cobra)
(d) Ornithorhynchus ( Duck -billed platypus ).


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