An organism that break down dead organisms into basic elements. Bacteria are decomposers. Bits and pieces of organic matter, plant or animal, found on the ground or on the bottom of a pond. A large, long-bodied insect with narrow, transparent wings often seen around water. Adult dragonflies feed on flying insects, such as mosquitoes.
Females lay eggs in ponds and the larvae feed on small aquatic animals.
The branch of biology that studies the relations between organisms and their environment. The capacity to do work. The passage of energy from one level in a food chain to another. Everything that surrounds a living organism including all the physical factors as well as other organisms. To change from a liquid form to a gas or vapor.