Chap. 8 Flashcards
population
all the inhabitants of a particular town, area, or country.
density
mass of a unit volume of a material substance
dispersion
the action or process of distributing things or people over a wide area.
growth rate
percentage change of a specific variable within a specific time period.
reproductive
relating to or effecting reproduction
exponential growth
growth whose rate becomes ever more rapid in proportion to the growing total number or size.
carrying capacity
the number or quantity of people or things that can be conveyed or held by a vehicle or container.
niche
a position or role taken by a particular kind of organism within its community.
competition
interaction between organisms, populations, or species, in which birth, growth and death depend on gaining a share of a limited environmental resource.
predation
the preying of one animal on others.
parasitism
the practice of living as a parasite in or on another organism.
mutualism
the doctrine that mutual dependence is necessary to social well-being.
commensalism
an association between two organisms in which one benefits and the other derives neither benefit nor harm.
symbiosis
interaction between two different organisms living in close physical association, typically to the advantage of both.
