Microbes Are the Dominant Life Form on Planet Earth Because

question 13

Multiple Choice

Microbes are the dominant life form on Planet Earth because ________. (Select all that apply)

• A) at an estimated 5×1030 bacteria, they are the most abundant organisms
• B) there are an estimated 10 million to 1 billion different microbial species
• C) microbes occupy all ecological niches of the biosphere
• D) microbes have the most complex cell structure

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Definitions:

Partially Occluded

A term describing an object that is obscured or blocked from view to some extent, not entirely visible.

Figure-Ground Perception

A visual perception mechanism that allows people to distinguish an object (figure) from its surrounding area (ground).

Cloudless Sky

A clear sky condition without any visible clouds, often associated with fair weather.

Gestalt Laws

Psychological principles that describe how humans naturally perceive objects as organized patterns and objects.