Unit 4: Population Dynamics

the maximum number of individuals of a particular species that a particular environment can support

Two or more individual organisms of a single species (intraspecific competition) or two or more individuals of different species (interspecific competition) attempting to use the same scarce resources in the same ecosystem.

a damaging change in the body's condition in response to destabilizing factors, such as nutrition, chemicals, or biological agents

the movement of members from a population

Growth pattern in which the individuals in a population reproduce at a constant rate

Movement of individuals into a population

An environmental factor that prevents a population from increasing

symbiotic relationship in which both species benefit from the relationship

A relationship in which one organism lives on or in a host and harms it.

A measurement of the number of people per given unit of land

the arrangement or spread of people living in a given area; also, how the population of an area is arranged according to variables such as age, race, or sex

An interaction in which one organism kills another for food.

A decline of the total fertility rate to the point where the natural increase rate equals zero.