1	Signaler		_____	unique vocalizations produced by social animals when a predator is nearby; serves as a warning to conspecifics
2	Signal Receiver		_____	packet of meaningful energy or matter
3	Communication		_____	presence of bystanders influences the behavior of a signaler
4	Signal		_____	brightly colored morphology that causes an individual to stand out in an environment; indicates that the individual is toxic and harmful to eat
5	Waggle Dance		_____	fish that feed on ectoparasites and the dead skin of other fish
6	Alarm Call		_____	nerve endings that respond to internal or external stimuli
7	Sensory Receptor		_____	someone who detects a signal
8	Chemoreceptor		_____	detection of dissolved chemical stimuli
9	Olfaction		_____	someone who produces a signal
10	Gustation		_____	palatable organisms that are morphologically similar to aposematic organisms
11	Odorant		_____	predator organisms that are morphologically similar to harmless organisms
12	Volatile		_____	sensory receptor for chemical stimuli
13	Pheromones		_____	sensory receptor for light; rods are sensitive to low light levels while cones are sensitive to color and bright light levels
14	Auditory Receptor		_____	communication in honeybees that transmits information regarding the general location of food
15	Photoreceptors		_____	volatile organic compounds that vary by species and affect behaviors of conspecifics
16	Aposematic Coloration		_____	property of a chemical that allows it to evaporate
17	Batesian Mimicry		_____	sensory receptor for sound
18	Aggressive Mimicry		_____	third-party individual that detects a signal; also known as an eavesdropper
19	Cleaner Fish		_____	process in which a signal affects behavioral change in a signal receiver
20	Sexual Deception Hypothesis		_____	detection of airborne stimuli
21	Bystander		_____	gaseous compound that is perceived as odorous
22	Audience Effect		_____	males produce deceptive signals towards females in order to improve the male's own reproductive success