The Three Main Types of Muscle (Cardiac, Skeletal, Smooth) Function

question 23

Essay

The three main types of muscle (cardiac, skeletal, smooth) function in a coordinated way in humans and other vertebrates. Propose a hypothesis as to which type arose earliest over evolutionary time. In other words, do you think ancient organisms evolved something most similar to smooth, cardiac, or skeletal muscle first? Justify your proposal by stating the selective advantage that these early muscle cells would have conferred on an organism.

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Definitions:

Bad Apple Effect

The impact of one negative individual or element on the collective behavior or morale of a group, often leading to widespread negativity or dysfunction.

Social Allergy Effect

A phenomenon where repeated annoying behaviors in a relationship lead to increasingly intense negative reactions.

Unrequited Love

A type of love where one person loves another who does not return that love.

Unreciprocated Love

A situation where one person's feelings of love are not returned by the object of their affection.