Spiracles Are Involved In

question 3

Multiple Choice

Spiracles are involved in:

• A)Filter feeding.
• B)Removing additional oxygen from the water.
• C)Increasing the surface area of the shark's intestine.
• D)Carrying additional blood to the heart.
• E)Allowing fishes like rays to take in water even when the mouth is buried in sediment.

---

Definitions:

Systematic Risk

Risk factors common to the whole economy; also called market risk or nondiversifiable risk.

Diversified Portfolio

An investment strategy that involves spreading investments across various financial instruments, industries, and other categories to minimize risk.

Rate of Return

A financial metric used to calculate the percentage profit or loss of an investment relative to its cost.

Beta Risk

A measure of the volatility, or systematic risk, of a security or a portfolio in comparison to the market as a whole.