It Is Believed That the Coelacanths and Lungfish Represent a Crucial

question 75

Multiple Choice

It is believed that the coelacanths and lungfish represent a crucial link between other fishes and tetrapods. What is the major feature in these fish in support of this hypothesis?

• A) Like amphibians, they are tied to the water for reproduction.
• B) Their fins have skeletal and muscular structures similar to amphibian limbs.
• C) They have highly evolved nervous and circulatory systems.
• D) They have lungs and are able to breathe air when water is scarce.

Distinguish the conditions under which amides and esters hydrolyze.

Determine the reaction outcomes with Grignard reagents involving different organic compounds.

Predict major organic products in a variety of chemical reactions.

Understand the hydrolysis process of esters, amides, and nitriles under various conditions.

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Definitions:

Earnings Per Share

A financial metric that measures the amount of profit allocated to each outstanding share of a company's common stock.

Weighted-average

A calculation method that assigns different weights to data points, used to determine the average value of various items in a dataset that are not equally significant.

Earnings Per Share

Earnings Per Share (EPS) is a financial ratio that indicates the portion of a company's profit allocated to each outstanding share of common stock, measuring its profitability.

Preferred Dividends

Dividends that are paid out to preferred shareholders at a fixed rate before any dividends are paid to common shareholders.