1.1-1.3 third book Flashcards
ecology
the study of the interactions of organisms with one another and with their environment
biotic
living factors in the environment
abiotic
the nonliving part of the environment
population
a group of individuals of the same species that live together
community
all the populations of species that live and interact in an area
ecosystem
a community of organisms and their abiotic enviroment
biosphere
the part of Earth where life exists
hebivore
an organism that eats only plants
carnivore
an organism that eats only animals
omnivore
an organism that eats plants and animals
food chain
a diagram that shows how energy in food flows one organism to another
food web
a diagram that shows the feeding relationships between organisms in an ecosystem.
energy pyrimid
a diagram that shows an ecosystems loss of energy
carrying captivity
the largest population that an environment can support at any given time
prey
an organism that is killed and eaten by another organism
predator
an organism that eats all or part of another organism
symbiosis
a close long-term association between two or more species
mutualism
a symbiotic relationship in which both organism benefits
commensalism
a symbiotic relationship in which one organism benefits and the other is unaffected
parasitism
a symbiotic association in which one organism benefits while the other is harmed
coevolution
when a long-term change takes place in two species because of their close interactions with one another
