Across
- 3. reflects the number, variety and variability of living organisms.
- 4. A dynamic complex of plant, animal and micro-organism communities and their non-living environment interacting as a functional unit.
Down
- 1. restricted to a particular area: used to describe a species or organism that is confined to a particular geographical region, for example, an island or river basin.
- 2. the place or type of site where an organism or population naturally occurs.
- 3. A major portion of the living environment of a particular region characterized by its distinctive vegetation and maintained by local climatic conditions