Exam 4 (Ch. 54-60) Flashcards
Proximate Causes of Behavior
How questions
How do bats use their sonar or how do birds navigate for example.
Developmental systems
Physiological systems
Ultimate Causes of Behavior
Why questions
Why does an animal behave a certain way
Evolution of a trait – changes over history
How a behavior benefits the survival or reproduction of the individual
Kin Selection
Selfish behavior of an organism that includes close kin
Inclusive Fitness
Selfish behavior of an organism that includes close kin and close relatives
Reciprocal Altruism
When an organism does something for another organism but expects something in return in the future. Not only humans; sometimes the organism does the favor with this expectation but the other organism doesn’t return it/stabs it in the back. The organism remembers this and doesn’t take lightly to it
Sociobiology
The study of social behavior between two or more animals. Most animals aren’t social
Eusocial Species (Usually Insects)
There is one single breeding female (usually the queen), who produces nonbreeding, working individuals, to take care of the young, make and bring food, etc. There are castes such as workers, soldiers, queens, etc. It’s basically a mini society
Generation Time
The time between the birth of an individual and production of their first offspring. In general the larger the species the longer the generation time
Semelparity
Organisms that save energy to reproduce just once.
Produce large numbers of offspring
Tend to have short lives (there are exceptions)
Iteroparity
Organisms that reproduce many times over their life span
They produce relatively few offspring at one time (there are exceptions)
K-Selected Populations
Tend to maintain an equilibrium near the carrying capacity
R-Selected Populations
They have rapid growth and their population often fluctuates
Intraspecific Competition
Competition within a species
Species Richness
Number of species
Interspecific Interactions
Interactions between species