How Do Bony Fish Regulate Buoyancy

question 52

Multiple Choice

How do bony fish regulate buoyancy?

• A) With an air-filled swim bladder
• B) With a large, oil-filled liver
• C) By constantly swimming at an upwards angle
• D) Through the calcium in the bones, which makes the skeleton lighter than the water

---

Definitions:

Need-Satisfaction

A sales approach that focuses on identifying and meeting the needs or problems of the customer as a key to closing the sale.

Problem-Solution

A method or structure that identifies a problem and then proposes one or more solutions to address it.

Straight Rebuy

A routine purchase of the same goods or services without seeking new suppliers or altering specifications.