an analog computer one that uses the continuously changeable aspects of physical phenomena to model the problem being solved. these phenomena may be such as electrical, mechanical, or hydraulic quantities and they are extremely complex to be used. such computers are mostly used for scientific and ...
Ecological niche is an inclusive term that involves not only the physical space occupied by an organism but also its role in the community. It is a subset of habitat. Let's have a detailed overview on the topic - Ecological Niche.