In Which Specific Era of the Phanerozoic Eon, Did Hominids

question 77

Short Answer

In which specific Era of the Phanerozoic Eon, did hominids first appear in the fossil record?   _________________________

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Definitions:

Physiological Functioning

Pertains to the normal functions of living organisms and their parts, including all physical and chemical processes.

Serum Concentrations

The levels of specific substances present in the serum component of the blood, important for diagnosing and monitoring diseases.

Lithium

A chemical element used in the treatment of bipolar disorder to manage episodes of mania or depression.

Heart Failure

A chronic condition in which the heart is unable to pump sufficiently to maintain blood flow to meet the body's needs.