A common cold i believe .
Yes. Oxygen crash led to Cambrian mass extinction
Large brain size, small and flat face, small jaws and teeth, exploitation of diversity are some common features of <em>homo </em>species. <em>Different</em><em> </em><em>homo </em>species have different shapes of skulls.
Homo, genus of the family Hominidae (order Primates), is distinguished by a relatively large cranial capacity, limb structure adapted to a habitual erect posture and a bipedal gait, well-developed and fully opposable thumbs, hands capable of power and precision grips, and the ability to make standardized precision tools by combining one tool with another.
<em>Different </em><em>Homo </em>species are differentiate from skull shapes. Their body shapes also tends to vary. This is due to different environment conditions in different time zones.
However,<em> Homo</em> species show many common characteristics such as Large brain size, small and flat face, small jaws and teeth.
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To learn more about <em>Homo</em> species follow this link:
brainly.com/question/10169640?referrer=searchResults
Glycolysis, Krebs cycle, electron transport chain
