calorifier (kÉËlÉrÉªËfaÉªÉ). 1  a water tank fitted with a coil, or coils, that can be heated in order to heat the water â â  The pressurised water supply is cold only: a calorifier is available at extra cost. Usage examples. 2  Trends. 3  a water tank fitted with a coil, or coils, that can be heated in order to heat the water â â  The pressurised water supply is cold only: a calorifier is available at extra cost.
In ecology, a population consists of all the organisms of a particular species living in a given area. For instance, we could say that a population of humans lives in New York City, and that another population of humans lives in Gross.
population-A group of organisms of the same species living in the same area at the same time, and which are capable of interbreeding. community-A group of populations living and interacting with each other in a common habitat. ecosystem-A community of interdependent organisms and the physical environment they inhabit.habitat-The environment in which a species normally lives. niche-A species' share of a habitat and the resources in it. An organism's ecological niche depends not only on where it lives but on the role it plays in the ecosystem.opulation-A group of organisms of the same species living in the same area at the same time, and which are capable of interbreeding. community-A group of populations living and interacting with each other in a common habitat. ecosystem-A community of interdependent organisms and the physical environment they inhabit.