Figure 421 Food Web for a Particular Terrestrial Ecosystem (Arrows Represent

question 59

Multiple Choice

Figure 42.1 Food web for a particular terrestrial ecosystem (arrows represent energy flow and letters represent species)
-Examine the food web for a particular terrestrial ecosystem in Figure 42.1. Species C is toxic to predators. Which species is most likely to benefit from being a mimic of C?

• A) A
• B) B
• C) C
• D) D
• E) E

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Definitions:

Diode

A semiconductor device that allows current to flow in one direction only, used in electronics for rectification and signaling.

Relay

Any of a number of devices that receives a signal and then effects an action. In vehicle electrical circuits, relays are used to allow a small current circuit to control a large current circuit such as in a starter relay. Also known as a pilot.

Transistor

A semiconductor device used to amplify or switch electronic signals and electrical power, fundamental in modern electronic circuits.