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

mark or discolour with something that is not easily removed.

affecting or concerning most people or things. commander of army.

Concerning processes of converting food to energy. food etc. that aids digestion.

Enzyme of pancreatic origin; catalyzes the hydrolysis of proteins to smaller polypeptide units.

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 give permission for something to happen.

Not of the same kind; unlike other things.

preserved in vinegar or brine.

as truth or facts.

compilation or summary of information. A summary, as of the news. To convert food into energy in your stomach.

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. To divide something into smaller parts.