Answered: Humans have been around for only about…

Humans have been around for only about years of the planet's 3.8 billion years in existence. 90,000 200,000 2 million 18 million 140 million

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter22: The Evolution Of Primates

Section: Chapter Questions

Problem 8TYU

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Concept explainers

Tissue regeneration & repair

Tissue regeneration involves the restoration of tissue components by regrowth of damaged tissues. In contrast, tissue repair involves patching of injured tissue rather than restoring it. It is the proliferative capacity of the cells that decides the amount of regeneration against the repair that would occur in the tissue. Both regeneration and repair depending on the duration of the injury and response to the inflammation.

Question

Humans have been around for only about__ years of the planet's 3.8
billion years in existence.
90,000
200,000
2 million
18 million
140 million

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