Answer:
It is B: provides for the tight regulation of all physiological variables
Explanation:
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Homeostasis:
In biology, homeostasis is the state of steady internal, physical, and chemical conditions maintained by living systems. This is the condition of optimal functioning for the organism and includes many variables, such as body temperature and fluid balance, being kept within certain pre-set limits.
Answer: D. Coexistence
Explanation: Just took the quiz on edgenuity
Answer: Function
Explanation: The reason some objects or a process that occurred in a system that developed through natural selection.
Answer: =<u>Convergent</u> evolution
Explanation: <u>Convergent</u> evolution occurs when organisms share a trait that originated in an ancestor but changed over time in different populations.