chapter 13: communication Flashcards
communication
an action or cue information given by a sender that is preceived and alrerts the receiver
animal signals
an action or structure of a signaler that sends a message to a receiver
what are the two categories of animal signals?
- self reporting signals
- other reporting signals
- self reporting signals
signals a property of the signaler positive or negative
- bright color
- mating call
- warning color
- other reporting signals
signals an object or an organism other than the signaler
- warning call
- signaling about food
what is the point of signals?
to increase the inclusive fitness of signaler
efficacy cost
cost of making signal clear to receive
for signlaler
only beneficial to produce signals if they modify receiver’s behavior to signler benefit
for receiver
only beneficial to change behavior in response to signlas, if receiver benefits
honest signals:
evolve when both signaler and intended receiver benefit
honest signals
signals that conveyy accurate information about you or the enviornment
vervet monkey’s produce multiple types of alarm calls that vary depending on _____
the type of threat
calling can be related to mating, what is an example
deep calls in toads and frogs can indicate larger males
dishonest signals
used to deceive/ manipulate receiver and only benefitt the signaler
selection should favor _____ that ignore ____ signals
receivers, dishonest