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What embryonic structures are common in all chordates?
Average Variable Cost
The cost per unit of a good or service that varies with the level of output, excluding fixed costs.
Total Fixed Cost
The sum of all costs that remain constant regardless of the level of production or output.
Total Cost
The complete cost of producing a certain amount of output, including both fixed and variable costs.
Quantity
The amount or number of a material or immaterial thing not usually estimated by spatial measurement.
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