Chapter 43 Animal Behavior Flashcards
Behavior is part of the animal’s…
phenotype
Niko Tinbergen’s 4 questions
causation, development, adaptive function, evolutionary history
Behavior is shaped by…
genes
Behavior evolves by…
natural selection
Imprinting is a combo of…
learning and genes
stimulus recognition is often carried out by…
specialized sensory receptors
Kinesis
random, undirected movement
taxis
specific directional movement
navigation includes…
cues (sun orientation, landmarks, GPS in brain, olfactory)
How do animals keep time?
circadian clock, lunar clock, annual clock
Altruistic behaviors _____ fitness of the
organism exhibiting the behavior and increase
the fitness of the recipient
decrease
reciprocal altruism
normally related
Sexual Dimorphism
distinct difference in size or appearance between the sexes of an animal in addition to difference between the sexual organs themselves.
