Chapter Review 1 Flashcards
ecology
the study of the interactions of organisms with one another and their environment
biotic
describes living factors in the environment
abiotic
describes nonliving factors in the environment
population
a group of organisms of the same species that live in a specific geographical area
community
all of the populations of species that live in the same habitat and interact with each other
ecosystem
a community of organisms and their abiotic environment
biosphere
the part of the earth where life exists
herbivore
an orgainism that only eats plants
carnivore
an orgaism that only eats meat
omnivore
an organism that eats both plants and meat
food chain
a diagram that shows how energy in food flows from one organism to another
food web
a diagram that shows the feeding relationship between organisms in an ecosystem
energy pyramid
a diagram that shows an ecosystems loss of energy
carrying capacity
the largest population that an environment can support
prey
an organism that is killed and eaten by another orgamism
predator
an organism that eats all parts of another organism
symbiosis
a relationship in which two different organisms live in close associations with each other
mutualism
a relationship between two species in which both species benefit
commensalism
a symbiotic relationship in which both organisms benefits and the other is unaffected
parasitism
a symbiotic relationship in which one organism benefits while the other is harmed
coevolution
when a long term change takes place in tow species because of their close interactions with one another
