Lecture 10- Communication 1

Question 1

Communication

Answer 1

When one organism is sending signal and the receiver responds

Question 2

Signaler

Answer 2

The individual who sends the signal

Question 3

Receiver

Answer 3

The individual who receives the signal and responds

Question 4

Modes of communication

Answer 4

Ownership/territorial, Alarm calls, Mating, vibrations.

Question 5

Effects of environment on communication

Answer 5

The signaler needs to be seen and heard by a responder in order for the effect and response to take place. Ex) a bird showing a mating display, not in sight, will not attract a mate.

Question 6

Sound windows

Answer 6

Certain frequencies do better than other frequencies

Question 7

Chemical signals

Answer 7

relatively long-lasting and can travel great distances, but cannot be modified once transmitted

Question 8

Visual Signals

Answer 8

can move rapidly throughout the environment but require adequate light levels and can be blocked by objects, more effective when contrasting with the environment, i.e Coloring.

Question 9

Auditory Signals

Answer 9

Can travel around objects and can be turned on and off quickly, but attenuate as they travel through the environment

Question 10

van Oudenhove et al. (2011): Foraging ants and pheromone trails

Answer 10

Surface temperature affects chemical pheromone persistence. This may explain why social foraging ants do not forage at high temperatures

Question 11

Gray et al. (2008): Blue versus yellow Telmatherina fish males and habitat

Answer 11

• Blue males contrasted most with
  background in the beach habitat
• Yellow males contrasted most in
  the root habitat

Question 12

Nicholls & Goldizen (2006): Habitat structure and Satin Bowerbird vocal signals