Microbial Cells First Evolved on Earth Approximately ________ Billion Years

question 44

Multiple Choice

Microbial cells first evolved on Earth approximately ________ billion years ago.

• A) 1.6 to 1.8
• B) 3.8 to 3.9
• C) 5.4 to 5.6
• D) 7.0 to 7.2

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Definitions:

Cognitive Process

Mental activities involved in acquiring, processing, and storing knowledge, such as perception, reasoning, and memory.

Biological Process

A process that is vital for the living organism and occurs due to complex interactions among biological systems.

Homeostasis

the process by which living organisms regulate their internal environment to maintain a stable, constant condition, despite changes in the external environment.

Arousal

The physiological and psychological state of being awake, alert, and engaged, often as a response to stimuli.