Unit 2 Review Flashcards
agonistic pucker
The position of a dog’s mouth when the dog is in an offensive threat. The lips are pressed forward and the muzzle is wrinkled.
altruism
The ability of humans to care for and about the welfare of others.
anogenital
A term that refers to the region of the anus and the external reproductive organs.
antithesis
A theory presented by Charles Darwin, which states that a submissive animal expresses facial and postural changes that are the opposite of those displayed by the aggressive animal.
auditory signal
A message related to the sense of hearing.
calming signal
A message sent to reduce or stop aggressive conflicts; also, cutoff signal.
coevolution
The development of certain behaviors in a species caused by the influence of another species.
communicator
The sender of a message.
convergence
The evolution of two different species in a similar way because of similar pressures in the environment.
cutoff signal
A message sent to reduce or stop aggressive conflicts; also, calming signal.
despotic hierarchy
An arrangement in which a single individual dominates over all other individuals in a group.
display
A group of signals sent at the same time—for example, threat display.
dominance
Related to establishing social limits—that is, what others must not do.
ethologist
A scientist who studies whole patterns of animal behavior in natural environments.
euthanasia
The deliberate ending of the life of an animal because of extremely bad behavior or because it’s suffering from an incurable disease.
gaze alternation
A process in which a dog looks back and forth between its owner and some object the dog can’t get; an attempt to show where something is. Humans can use gaze alternation to tell a dog where they want it to go.
hackles
The hairs on the neck and back of an animal.
hackles up (hackles raised)
The raising of the hairs on the neck and back of an animal; also, piloerection.
hierarchy
The ranking of members in a group.
incisors
The front six teeth on each jaw. The incisors are used for cutting.