Answer:
The respiratory system.
Explanation:
The circulatory system works with the respiratory system. The circulatory system transports oxygen through the body, while the respiratory system supplies the body with that oxygen.
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It represents the history of time which ends up being divided on the basis of the earth's biotic composition
Yes. In nature, some plants and single-celled organisms, such as bacteria, produce genetically identical offspring through a process called asexual reproduction. ... Identical twins have nearly the same genetic makeup as each other, but they are genetically different from either parent
It is based on shared characteristics
