Autotroph

An organism capable of synthesizing its own food from inorganic substances, using light or chemical energy.

Arthropod

Any invertebrate having jointed limbs, a segmented body, and an exoskeleton made of chitin. The group includes the crustaceans, insects, arachnids, and centipedes.

Annelid

Any worms in which the body is divided into segments both externally and internally. The group includes the earthworms, lugworm, ragworm, and leeches.

Angiosperm

A plant whose ovules are enclosed in an ovary; a flowering plant.

Hermaphrodite

A hermaphrodite is a species that contains both male and female sexual organs at some point during their lives.

Actin

A protein found in all eukaryotic cells, forming filaments that make up a main component of the cell's cytoskeleton.

Abscisic Acid

A plant hormone that maintains the water balance of plants, prevents seed embryos from germinating, and induces the dormancy of buds and seeds. Its chemical formula is - C15H20O4.