The First Protective External Structure of Living Organisms Must Have

question 14

Multiple Choice

The first protective external structure of living organisms must have been

• A) methane and ammonia.
• B) amino acids.
• C) primordial soup.
• D) semi-permeable membranes.

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Definitions:

Statistic

A numerical measure that describes a characteristic of a sample derived from a larger population.

Asymmetrical

Lacking symmetry; when two sides or halves of something do not match or are not equal in shape, size, or composition.

Distribution

The way in which something is shared or exists over a particular area or among a particular group of people.

Standard Deviation

A measure of the dispersion of a set of data from its mean, indicating how spread out the data points are.