Skin Pigmentation Is Simply an Adaptation to Differing Amounts of Ultraviolet

question 25

True/False

Skin pigmentation is simply an adaptation to differing amounts of ultraviolet radiation.

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Definitions:

Space and Time

Fundamental physical concepts defining the universe's structure; space refers to the three-dimensional extension in which objects exist, and time to the progression of events from past through present to future.

Physical World

The material universe that exists independently of our perceptions, consisting of matter and energy and governed by physical laws.

Bertrand Russell

A British philosopher, logician, mathematician, historian, writer, social critic, and Nobel laureate, known for his work in mathematical logic and his advocacy for nuclear disarmament and social reform.

Reality

The state of things as they actually exist, as opposed to an idealistic or notional idea of them.