I'll match your limerick with one from the holt science spectrum
Living things are found almost everywhere: on land, in the air, and in the water. Each organism has adapted to factors in its environment, such as temperature, humidity, and other living things around it. THese factors determine where a particular organism lives. For instance, polar bears are adapted to cold, wet places, and camels are adapted to hot, dry places. Neither animal could survive in the other's environment.
It is found that anything that can go wrong at sea generally does go wrong sooner or later, so it is not to be wondered that owners prefer the safe to the scientific.... Sufficient stress can hardly be laid on the advantages of simplicity. The human factor cannot be safely neglected in planning machinery. If attention is to be obtained, the engine must be such that the engineer will be disposed to attend to it