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The striated muscles in most invertebrates have thick and thin filaments arranged in sarcomeres entirely similar to those of vertebrates.
Decreasing Returns
A principle where an increase in the amount of one factor of production, while other factors are held constant, results in a lower ratio of output per input.
Diminishing Returns
A principle stating that if one factor of production is increased while others are held constant, the incremental output will eventually decrease.
Scale
The size or level of something, often used to describe the scope of a business operation or production.
Increasing Returns
A situation in production where the output increases by a proportion greater than the increase in inputs, often leading to economies of scale.
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