The First Function of Feathers Was Most Likely

question 55

Multiple Choice

The first function of feathers was most likely:

• A) protection from predators.
• B) insulation.
• C) communicating with rivals.
• D) climbing in trees.
• E) protection from parasites.

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Definitions:

Bond Grade

The rating assigned to a bond by credit rating agencies, reflecting the issuer's creditworthiness and the bond's risk level.

BBB

A credit rating assigned to bonds that are considered investment-grade, with a moderate risk level.

Par Value

The face value of a bond or stock, which is the amount paid back to the holder at maturity for bonds, or a base value for calculating dividend payments for stocks.

Coupon Bond

A debt security that pays the holder a fixed interest rate, or coupon, periodically until the maturity date, when the principal is repaid.