Section 2.1: Organisms and Their Relationships Vocab Flashcards
ecology
the scientific discipline in which the relationships among living organisms and the interaction the organisms have with their environment are studied
biosphere
the protection of Earth that supports life
biotic factors
the living factors in an organism’s environment
abiotic factors
the nonliving factors in an organism’s environment
population
individual organisms of a single species that share the same geographic location at the same time
biological community
a group of interacting populations that occupy the same geographic location at the same time
ecosystem
a biological community and all the abiotic factors that affect it
biome
a large group of ecosystems that share the same climate and have similar types of communities
habitat
an area where an organism lives
niche
the role or position that an organism has in its environment
predation
the act of one organism consuming another organism for food
symbiosis
the close relationship that exists when two or more species live together
mutualism
the relationship between two or more organisms that live closely together and benefit from each other
commensalism
a relationship in which one organism benefits and the other organism is not helped nor harmed
parasitism
a symbiotic relationship in which one organism benefits at the expense of another organism
