Food Resources as a Limiting Factor for Species Distribution

question 10

Multiple Choice

Food resources as a limiting factor for species distribution

The snail kite (Rostrhamus sociabilis) is a specialist that feeds on only one specific type of snail.By comparison,the Mallard Duck (Anas platyrhynchos) is a generalist that feeds on diverse food sources.Whereas the snail kite has a very limited range,the Mallard Duck has a very broad range.The snail kite's diet is an example of a(n)

• A)limiting factor.
• B)range of tolerance.
• C)ecological niche.
• D)habitat.
• E)symbiotic relationship.

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Definitions:

Zero-Coupon Bonds

Debt securities that don't pay periodic interest but are issued at a significant discount to par value, providing profit at maturity when they reach their face value.

Coupon Rate

The annual interest rate paid by a bond's issuer to its holders, expressed as a percentage of the bond's face value.

Par Value

The face value of a bond or the stock value stated in the corporate charter, representing the minimum standard value.

Zero-Coupon Bond

A debt security that does not pay interest but is traded at a deep discount, rendering a profit at maturity when the bond is redeemed for its full face value.