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.)
Answer:
i think ability to reproduce
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The skeleton serves six major functions: support, movement, protection, production of blood cells, storage of minerals and endocrine regulation.
The correct answer would be true. All cells do all of the listed actions.