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

each of four equal or corresponding parts into which something is or can be divided. To split something into four equal parts.

large area covered with trees. Trees and bushes that cover a large area.

To say you may harm or hurt someone.

action of one object striking another. Acts or forces of one thing hitting something else. come into forcible contact with another object.

Sensational in appearance or thrilling in effect. action of striking. To hit something.

activity or business of growing crops and raising livestock. To use land for raising plants or animals for food.

When every example of animal, plant is dead.

Dangerous substances released into an environment.

1,000,000.

An action or task, e.g. sports, washing clothes.

by specified amount in or for every hundred. one part in every hundred.

activity of catching fish, either for food or as sport. To go fishing with a net or hook.

not able to be maintained at current rate or level.

To know the meaning of language, what someone says.