There are also poisonous plants, poisonous sponges, poisonous corals. And then the snakes. Even the weakest of the sea snakes are invariably lethal.” “Nice,” Harry said. “Well, you have to recognize that the ocean is a much older living environment than the land. There’s been life in the oceans for three and a half billion years, much longer than on land. The methods of competition and defense are much more highly developed in the ocean—there’s been more time.”
