Competition The struggle between organisms to survive as they attempt to use the same limited resource.
Population All the members of one species in a particular area.
Abiotic Factors The nonliving parts of an ecosystem.
Mutualism A symbiotic relationship in which both species benefit.
Carrying Capacity The largest population an environment can support.
Ecosystem The community of organisms that live in an area, along with their nonliving surroundings.
Species A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce.
Limiting Factors Environmental conditions that cause populations to decrease.
Commensalism A symbiotic relationship in which one species benefits and the other species is neither helped nor harmed.
Community All the different populations that live together in an area.
Biotic Factors The living parts of an ecosystem.
Adaptations Behaviors and physical characteristics of species that allow them to live successfully in their environment.
Predation An interaction in which one organism kills and eats another organism