The Discovery of the Remains of Creatures That Were Both

question 48

Essay

The discovery of the remains of creatures that were both humanlike and apelike was initially upsetting because:

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Definitions:

Weight Lifter

An individual who engages in the sport of lifting heavy weights as a form of physical exercise or competition.

Muscle Fiber

An individual muscle cell, long and cylindrical in shape, that contracts to produce movement.

Myofibrils

Rod-like units of a muscle fiber that are essential for muscle contraction, composed of sarcomeres.

Motor Units

Functional units of a muscle that consist of a motor neuron and all the muscle fibers it innervates.