Although the terms reactant and reagent are often used interchangeably, a reactant is more specifically a substance that is consumed in the course of a chemical reaction. Solvents, although they are involved in the reaction, are usually not referred to as reactants.
Animals that live in water, usually called aquatic animals, include fish, cetaceans, certain types of turtles and other reptiles, and amphibians. There are also a number of semiaquatic animals, such as alligators, hippopotamuses and penguins, that depend on and live in water most of the time. Continue Reading.
Otters are animals that live near and around water. They are a part of the animal family Mustelid. A group of otters is called a romp, because they play together and are energetic. They live in nests called holts. There are many different kinds of otters. Some live near rivers, some in the sea (Sea Otters).