chapter 10 vocab Flashcards
all the living things and nonliving things in a given area
ecosystem
the nonliving part of an ecosystem
abiotic factors
living or once-living things in an ecosystem
biotic factors
the place within an ecosystem that provides food, water, shelter, and other biotic and abiotic factors an organism needs to survive and reproduce
habitat
all the organisms of the same species that live in the same area at the same time
population
the populations living in the same area at the same time
community
the size of a population compared to the amount of space available
population density
describes the demand for resources such as food, water, and shelter, in short supplies in a community
competition
a population becomes so large that it causes damage to the environment
overpopulation
the act of one organism, a predator,feeding on another organisms prey
predation
a close long-term relationship between two species that usually involves an exchange of food and energy
symbiosis
a symbiotic relationship in which both organisms benefit
mutualism
a symbiotic relationship in which one organism benefits but the other in neither benefited or harmed
commensalism
a symbiotic relationship in which one organism is benefited while the other is harmed
parasitism
organisms that use an outside energy source, such as the sun, and produce their own food
producer
organisms that cannot make their own food they obtain food by eating producers or other consumers
consumer
a model that shows how energy flows in an ecosystem through feeding relationships
food chain
a model of energy transfer that can show how the food chain in a community are interconnected
food web
