This field of study is called ECOLOGY. Ecology is not only the name of field of study, this term also describes interaction between organisms and their environment. (You may also use term BIONOMICS to describe this relationship.)
Its b the core is the hottest part
The answer would be the Oceans because water makes up a very large portion of the earth in general.
Hope this helps!!
<em>it is true that food availability and temperature can be biotic factors for a particular organisms..</em>
