Endemic (of a plant or animal) native or restricted to a certain place.
Ecosystem a biological community of interacting organisms and their physical environment.
Species a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
Adaptation the process of change by which an organism or species becomes better suited to its environment.
Biotic relating to or resulting from living organisms.
Abiotic physical rather than biological; not derived from living organisms.