Write the name used for the following: (a) Plants which bear naked seeds. (b) Animals which have pseudocoelom. (c) Animals which maintain a certain body temperature over a wide range of temperature in the environment.
(i) Animals that are able to maintain a constant body temperature over a wide range are called as warm-blooded animals, e.g. mammals. (ii) Plants bearing naked seeds are called gymnosperms, e.g. Cycas. (iii) Animals which have pseudocoelom (no true coelom) are nematodes or nemathelminthes, e.g Ascaris (roundworm).