Explain Why Only Anaerobic Bacteria Inhabited Earth for the First

question 43

Essay

Explain why only anaerobic bacteria inhabited Earth for the first two billion years of its existence.

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Definitions:

Intelligence Quotient

A measure of a person's intellectual abilities compared with the average population, typically assessed by standardized tests.

Cognitive Impairment

A reduction in cognitive functions such as memory, decision-making, or problem-solving, significant enough to interfere with daily life.

Dependent

A term used to describe someone who relies on others for support, often financial or for personal care.

Fragile X Syndrome

A genetic condition causing intellectual disability, behavioral and learning challenges, and various physical characteristics.