corresponding. person who writes letters to person or newspaper.

concerned with actual doing or use of something.

female animal or plant. People of the sex that gives birth to babies.

invertebrate of large phylum which includes snails. .

in most essential respects.

having striking or revealing effect. To order someone to do something; command.

underlying substance or layer.

remains or impression of prehistoric plant or animal. Plants or animals that became rock after many years.

marine bivalve which uses byssus threads. Common edible shellfish.

Nearby; just next to.

happening before usual time. before usual time.

belonging to same family or type. To tell a story, or tell about a particular event.

action of sailing about in area without precise destination. To easily achieve.

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

Act of moving with your legs at a slowish pace. move at regular pace by lifting and setting down each foot in turn.