Behavioral Ecology. Chapter 32. Animal Behavior. Definition: Actions of an animal in response to stimuli. Nervous and Endocrine systems play important role by secreting hormones or neurotransmitters. . Genes and Behavior . Some variations in behavior have a genetic basis
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Pheromones Tactile signals
Visual signals Acoustical signals
Produce large, energetically expensive eggs
Often provide parental care
Reproductive success increases by increasing quality of mates – NOT number of mates
Population size Number of individuals that make up the gene pool.
initial carrying capacity
new carrying capacity
Reindeer on St. Matthew’s Island