By-Product Hypothesis

An explanation for a maladaptive or nonadaptive trait that occurs as a byproduct of a proximate (genetics & physiology) mechanism that has some other adaptive consequence for individuals.

9 cards   |   Total Attempts: 189
  

Cards In This Set

Front Back
Central Pattern Generator
A Group of cells in the central nervous system that produces a particular pattern of signals necessary for a functional behavioral response.
Circadian Rhythym
A 24 hour cycle of behavior that is expressed independently of environmental changes.
Circannual rhythm
A annual cycle of behavior that expresses itself independently of environmental changes.
Cryptic Female choice
The ability of a female to choose whose sperm to use to fertilize her eggs when she has sperm from multiple males.
Dominance Hierarchy
A social ranking within a group in which some individuals give way to others, often conceding useful resources to others without a fight.
Entrainment
Involves the resetting of a biological clock so that an organisms activities are scheduled in keeping with local conditions.
Free-Running Cycle
The cycle of activity of an individual that is expressed in a constant environment.
Home Range
An area that an animal occupies but doesn't defent. contrast to territory that IS defended.
Hotshot
A male whose attributes are especially appealing ot sexually receptive females.