group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. Subsections of a genus (of plants, animals).

To change the color of using a special substance.

Widespread, normal or usual. Top ranked officer in the army.

relating to digestion. food etc. that aids digestion.

digestive enzyme which breaks down proteins in small intestine, secreted by pancreas as trypsinogen.

freshwater fish of large tropical family (Cichlidae). Freshwater fishes of tropical America and Africa and Asia similar to American sunfishes; some are food fishes; many small ones are popular in aquariums.

A salt or compound used to help grown plants.

red pigment present in madder root, used in dyeing. An orange-red crystalline compound used in making red pigments and in dyeing.

firm, flexible connective tissue found in various forms in larynx and respiratory tract.

An area in a forest without trees. To prove that someone is not guilty or to blame.

not same as another or each other.

preserved in vinegar or brine.

as truth or facts.

compilation or summary of information. A summary, as of the news. break down food in stomach etc..

any of more or less distinct parts into which something is or may be divided or from which it is made up. Parts of a whole. divide into sections.