adaptations - to adjust to environmental changes biodiversity - the number of different living organisms that can be found within an area camouflage - a false appearance or disguise classification - to arrange into classes or groups conservation - the act of preserving resources from decay, loss, or injury endangered - organisms that are very few in number and may soon be completely gone extinct - no longer found on earth geographic - dealing with the earth's natural features habitat - the place where an organism lives indigenous - native to an area; originates in migration - the act of moving from one place to another mimicry - a defense used by organisms in which develop a likeness to their predators offspring - young plants or animals organism - any living thing preservation - the act of keeping from injury or decay protective coloration - coloration that shields an organism from harm reproduction - the act of producing young species - a group of organisms that have similar characteristics threatened - see endangered