Which of the Following Are Ethers

question 19

Multiple Choice

Which of the following are ethers?

• A) only 1 and 2
• B) only 1 and 4
• C) only 1, 2 and 3
• D) 1, 2, 3 and 4

Understand the diversity and characteristic features of cnidarians.

Differentiate between the various phyla of marine invertebrates based on their anatomical and physiological traits.

Describe the evolutionary significance of true nerve cells and their first appearance in the animal kingdom.

Explain the role of nematocysts in cnidarians and their mode of operation.

---

Definitions:

Cash Dividend

A cash payment of earnings made by a company to its stockholders.

Equity Securities

Financial instruments representing ownership interest in a company, such as stocks.

Available-for-Sale Debt Securities

Financial assets acquired primarily for selling in the short term but may be held for a longer period, reported at fair market value on balance sheets.

Premiums

Additional amounts paid over the normal cost or face value, often relating to insurance costs or bond prices.