In Which Animals Would Diffusion Alone Not Be an Effective

question 70

Multiple Choice

In which animals would diffusion alone not be an effective transport mechanism for gas exchange?

• A) nematodes
• B) sponges
• C) cnidarians
• D) annelids
• E) flatworms

---

Definitions:

Forward Contract

A non-standardized agreement between two parties to buy or sell an asset at a specified future date for a price that is agreed upon today.

Wheat Price

The cost per unit of wheat, which can fluctuate based on market conditions, supply and demand, and external economic factors.

Interest Rate Cap

A financial derivative or agreement that limits the maximum interest rate that can be charged on a variable-rate loan or mortgage.

Interest Rate Floor

An agreement in which a lower limit is set on the interest rate that can be paid on a financial obligation.