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Ecology of Communities

Teacher: Bettylyn Krafft
Horizontales
The theory of ________ maintains that species who utilize the same resources can not coexist indefinitely - the "one niche, one species" concept.
An interaction beneficial to one species and detrimental to another.
The physical place where an organism lives.
__________, the driving force of evolution, those that win leave more offspring.
Competition between different species.
Beneficial to one species but neutral to another.
Communities are not _______, they gradually change over time because the environment changes and species themselves tend to also change their habitats.
What a species can do with no competitors or resources.
Verticales
Competition among individuals of the same species.
One that kills and eats other animals.
Resources are divided, permitting species with similar requirements to use the same resources in different areas, ways and/or times.
Part of the fundamental niche that a species actually occupies in nature.
Communities are _________ of many different species occupying the same geographical area.
An interaction that benefits one species and detrimental to another (host is generally not killed).
Two or more populations of different species occupying the same geographical area.
Two species that do not interact at all.
Functional role of an organism in a community, its job or position.