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.
Amphibians Frogs are members of the zoological class called Amphibia. Amphibians are cold-blooded (or poikilothermic) vertebrate animals. They differ from reptiles in that they lack scales and generally return to water to breed. They are one of three types of Amphibians.Anura, also called Salientia, (frogs and toads), caudate (salamanders and newts) and caecilians (worm-like amphibians). Herps and Herpetology Amphibians together with reptiles make up a larger group called Herps. The study of reptiles and amphibians is called Herpetology.nura, also called Salientia, (frogs and toads), caudate (salamanders and newts) and caecilians (worm-like amphibians). Herps and Herpetology Amphibians together with reptiles make up a larger group called Herps. The study of reptiles and amphibians is called Herpetology.