The surroundings or conditions in which a person,

animal, or plant lives or operates.

An individual animal, plant, or single-celled life

form; living thing that carries out 5 basic life

functions.

environment

organism

When the number of a particular animal in an

environment is so great that it has harmful effects

on the environment.

A long period of abnormally low rainfall; a shortage

of water resulting from this.

drought

overpopulation

Putting something into an environment that has a

poisonous or harmful effect on the environment.

Rainfall made acidic by atmospheric pollution that

has a harmful effect on an environment.

pollution

acid rain

The natural home or environment of an animal,

plant, or other organism.

A community of interacting organisms and their

physcial environment; includes living and nonliving

things.

ecosystem

habitat

An interacting group of diferent organisms in an

ecosystem; the living part of an ecosystem.

A group of the same kind of organism that live an

ecosystem.

community

population

Organisms that make food.

Organisms that use the food that producers make

or eat other organisms.

producer

consumer

Organisms that break down wastes and the remains

of other organisms.

A series of organisms in which each organism is

dependent on the next for food.

food chain

decomposer

Conitinue to live or exist.

A system of interlocking and interdependent food

chains.

food web

survival

A plant or animal species that is vunerable to

becoming endangered in the near future.

A plant or animal species that is seriously at risk

of extinction.

threatened

endangered

A plant or animal species that has no living

representative; they have all died out.

An animal or person who eats plants and animals.

extinct

omnivore

An animal who feeds only on meat.

An animal who feeds only on plants.

carnivore

herbivore