Which of the Following Statements Is True of the Layers

question 7

Multiple Choice

Which of the following statements is true of the layers of cells of an embryo?

• A) The mesoderm develops into the nervous system and brain, sensory receptors, and skin parts.
• B) The ectoderm primarily produces surface parts.
• C) The endoderm is composed of the mesoderm and the ectoderm.
• D) The mesoderm primarily produces internal body parts and sensory receptors.

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Definitions:

Variable Cost

A variable cost changes in direct proportion to the level of production or activity in a business, such as materials and labor.

Marginal Cost

The additional expense incurred from generating one more unit of a product or service.

Total Fixed Costs

The total of all expenses that stay unchanged no matter the amount of production or output.

Average Variable Costs

The variable cost (e.g., labor, raw materials) per unit of output, calculated by dividing total variable costs by the quantity of output produced.