proportion of population members at specific age ranges

change in an organism's activities in response to a stimulus

study of the biology and evolution of behavior

maximal potential growth rate of a species

number of births within a population at a specific point in time

avoid detection by blending in with the background.

number of individuals of a species that can be supported by the limited resources of a habitat

association of a specific stimulus and response through conditioning

final stage of succession, where a stable community is formed by a characteristic assortment of plant and animal species

knowledge and skills acquired by the manipulation of information in the mind

relationship between species wherein one species benefits from the close, prolonged interaction, while

no two species within a habitat can coexist when they compete for the same resources

behavior that becomes associated with a specific stimulus through conditioning

visual display used to attract a mate

number of deaths within a population at a specific point in time

statistical study of changes in populations over time

regulation of population that is influenced by population density, such as crowding

regulation of populations by factors that operate independent of population density,

change in the environment caused by natural disasters or human activities

biological study of animal behavior

accelerating growth pattern seen in species under conditions where resources are not limiting

potential reproductive capacity of an individual

behaviors species use to find food

species which often forms the major structural portion of the habitat

organism a parasite lives on

identification of parents by newborns as the first organism they see after birth

instinctual behavior that is not altered by changes in the environment

selection of a desirable mate of the opposite sex

competition between species for resources in a shared habitat or environment

competition between members of the same sex for a mate

competition between members of the same species

study of life on island chains and how their geography interacts with the diversity of species found there

shape of an exponential growth curve

species suited to stable environments that produce a few, relatively large offspring and provide

species whose presence is key to maintaining biodiversity in an ecosystem and to upholding an

undirected movement of an organism in response to a stimulus

behavior that responds to changes in the environment

inherited pattern of resource allocation under the influence of natural selection and other evolutionary forces

table showing the life expectancy of a population member based on its age

leveling off of exponential growth due to limiting resources

technique used to determine population size in mobile organisms

long-range seasonal movement of animal species

mating system whereby one male and one female remain coupled for at least one mating season

proportion of population surviving to the beginning of an age interval that die during the age interval

symbiotic relationship between two species where both species benefit

learned behaviors in response to positive and/or negative reinforcement

organism that uses resources from another species, the host

first species to appear in primary and secondary succession

mating system where one female mates with many males

mating system where one male mates with many females

number of population members divided by the area or volume being measured

number of organisms added in each reproductive generation

number of population members in a habitat at the same time

succession on land that previously has had no life

square made of various materials used to determine population size and density in slow moving or stationary

species suited to changing environments that produce many offspring and provide little or no parental

shape of a logistic growth curve

succession in response to environmental disturbances that move a community away from its

method of communication between animals including those obtained by the senses of smell, hearing, sight, or touch

(also, species distribution pattern) spatial location of individuals of a given species within a

number of different species in a community

graph of the number of surviving population members versus the relative age of the member

close interaction between individuals of different species over an extended period of time that impacts the

directed movement in response to a stimulus

steady population size where birth rates and death rates are equal