In Which of the Following Organisms Does Blood Flow from the Pulmocutaneous

question 88

Multiple Choice

In which of the following organisms does blood flow from the pulmocutaneous circulation to the heart before circulating through the rest of the body?

• A) annelids
• B) molluscs
• C) fishes
• D) frogs
• E) insects

---

Definitions:

Average Variable Cost

The variable cost of production divided by the quantity of output produced, indicating the variable cost on a per-unit basis.

Economic Profit

The financial discrepancy that arises from subtracting a business's comprehensive expenditures, including direct and indirect costs, from its total income.

Short Run

A time period in economics during which at least one input is fixed and cannot be changed by the firm.

Marginal Cost Curve

A graphical representation showing how the cost of producing one additional unit of a good varies with the level of production.