Marine Invertebrates That Have Surfaces Permeable to Salts and Water

question 46

Multiple Choice

Marine invertebrates that have surfaces permeable to salts and water so that they are always in osmotic equilibrium with their seawater environment are

• A) osmotic regulators.
• B) hyperosmotic.
• C) hypoosmotic.
• D) osmotic conformers.
• E) stenohaline.

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Definitions:

Selling Price

The amount of money for which something is sold to a buyer, after considering production, marketing, and distribution costs.

Fixed Cost

Fixed costs, including rent, salaries, and insurance, stay the same no matter how much is produced or sold.

Contribution Margin

The amount remaining from sales revenue after variable costs are deducted, contributing towards covering fixed costs and earning profit.

Break Even Point

The point at which total costs and total revenue are equal, meaning the business is neither making a loss nor a profit.