Answer:
The increase in cranial or cerebral capacity inherited from the primate ancestors is the characteristic that allows the creation and use of tools.
Explanation:
The evolution of the human brain allows the creation of more complex tools.
Homo habilis was the first hominid to make tools. its size was similar to the australopithecus but its brain was twice with a cranial capacity of 650 cc. These tools were made of stone and were used by striking against each other.
Answer:
It is B: provides for the tight regulation of all physiological variables
Explanation:
Trust me on that one.
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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.
A Sedimentary rock consisting of loosely-consolidated fragments of shells and /or coral.
Answer:
Give a better question so I can understand.
Explanation:
