We Have Overwhelming Evidence That Bacteria and Archaea Are Masters

question 30

Multiple Choice

We have overwhelming evidence that Bacteria and Archaea are masters of adaptation. Which key characteristic enables these prokaryotes to occupy almost every habitat on earth?

• A)small size
• B)fast reproductive rate
• C)metabolic diversity
• D)high mutation rate
• E)presence of a protective cell wall

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Definitions:

Ventilation

A process involving the movement of air into and out of the lungs, facilitating gas exchange with the internal environment.

Respiration

The process by which living organisms inhale oxygen from the environment and exhale carbon dioxide as a waste product, essential for life.

Mechanical Movement

The movement or motion induced by a machine or mechanical process.

Diffusion

The process by which molecules move from an area of higher concentration to an area of lower concentration until equilibrium is achieved.