Relationships
a shark feeding on a swimming seal
predation
This country/type of country represents slow to zero growth rate
US, China, developed countries
The number of hares per square kilometer in a prairie is the hare population's
density
relationship between two species in which one benefits and the other is harmed
parasitism
the maximum number of offspring that a given organism can produce
a tick on a deer sucking its blood for food
parasitism
What must occur for a population's growth rate to be zero?
the average number of births and deaths must be the same
distribution of individuals in an ecosystem
dispersion
relationship between two species in which both attempt to use the same limited resource such that both are negatively affected by the relationship
competition
the unique position occupied by a species within an ecological community
niche
competition
This type of growth occurs when populations grow increasingly faster
exponential growth
number of individuals per unit area
density
an interaction between two organisms in which one organism kills and feeds on the other organism
predation
a group of organisms of the same species that live in the same geographical area and interbreed
population
a bee pollinates a flower as it drinks nectar from the flower
mutualism
the deaths caused by the Bubonic plague are considered to be density ________
dependent
professionals who study and make predictions about human populations
demographers
relationship between two species in which both species benefit
mutualism
the largest population that an environment can support at any given time
carrying capacity
an orchid using a high tree branch as a place of attachment to receive more sunlight but not affecting the tree
commensalism
this determines the carrying capacity of an environment
supply of limited resources
these factors contributed the most to exponential human population growth
more food, better hygiene
relationship in which two different organisms live in close association with each other
symbiosis
an expression of the increase in the size of an organism or population over a given period of time
growth rate