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.
Pond water refers to a standing body of water. This is usually smaller than a lake and may either be man-made or natural. Pond water contains a variety of plant and animal life. While some can be seen with the naked eye, others are too small and will require the use of a microscope to be able to properly observe them. Some of the organisms that can be found in pond water include; Arthropods.