Which of These Is Not a Reason That Aphids Feed

question 5

Multiple Choice

Which of these is not a reason that aphids feed on phloem?

• A)Phloem is under positive pressure,so when the aphid pierces a phloem tube,sap is pushed into its mouth.
• B)Xylem is under negative pressure,so it would be very difficult to suck the fluids.
• C)Phloem contains high concentrations of sugars,as well as some minerals and other nutrients.
• D)Xylem contains mostly water and fewer nutrients.
• E)In soft herbaceous plants,phloem is more accessible than xylem.

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Definitions:

Par Value

The nominal or face value of a bond, share of stock, or other financial instrument as stated by the issuer.

Preferred Stock

A type of ownership in a corporation that has a higher claim on its assets and earnings than common stock, typically with dividends that must be paid out before dividends to common stockholders.

Rate Of Return

A measure of the profit or loss of an investment over a specified period, expressed as a percentage of the investment's initial cost.

Constant Growth

A model assuming a company's dividends will continue to grow at a consistent rate indefinitely.