Write appropriate terms for the following:
$(i)$ Animals that are able to maintain a constant body temperature over a wide range of environmental temperatures.
$(ii)$ Animals which have a pseudocoelom.
$(iii)$ Plants which bear naked seeds.

(N/A) $(i)$ Warm-blooded animals (Endotherms): These organisms can regulate their internal body temperature regardless of the external environment.
$(ii)$ Nematodes (Roundworms): These are organisms belonging to the phylum Nematoda,characterized by a body cavity that is not fully lined by mesoderm,known as a pseudocoelom.
$(iii)$ Gymnosperms: These are seed-producing plants where the seeds are not enclosed within an ovary or fruit,hence they are referred to as 'naked seeds'.