Science Quiz / Community Ecology Terms

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Can you name the Community Ecology Terms

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DefinitionTerm
predator that has an unusually large impact on an ecosystem
used in the absence of other species
recovery of an area through a specific sequence following a major disturbance
type of interaction that results in one species benefiting but does not affect the species it depends on
recovery following disturbance that removes only biomass
type of interaction that is beneficial to both species involved
A biological 'cold war,' one organism continuously attempting to outdo another
bright contrasting coloration intended to be a warning signal to potential predators
competition that occurs when organisms compete for the same resources
Ex. (+/-) Parasitism, Predation, Herbivory
competition that occurs when one species produces toxins that negatively affect another
scientist that believed communities are stable, integrated, orderly, and predictable entities
species that arrive later in succession
Mimics that look dangerous but are NOT dangerous
Hypothesis in which herbivores are limited by the poor nutrition of plant tissue or toxins
weaker competitor shifts niche to avoid competition
Prey defenses that are only produced when threatened by a predator
recovery following disturbance that removes soil and biomass
DefinitionTerm
scientist that believed communities are neither stable nor predictable, but a matter of history and chance
early successional species that devote most energy to reproduction (r-selection), not very competitive
natural selection favors a shift of the weaker competitor to a non-overlapping niche
Assemblages of large numbers of interaction species, usually living within a defined area
competition that occurs when the fundamental niches of two different species overlap
Mimics that look dangerous and ARE dangerous
any event that removes some individuals or biomass from a community
Hypothesis in which carnivore predators keep herbivores low in density
competition that occurs when organisms interfere directly with each other's access to specific resources
competition that occurs when an organism grows over another, blocking access to resource
competition that occurs when mobile organisms protect a feeding or breeding territory
Ever present defenses Ex. Cryptic coloration/Camouflage, Weapons/Armor, Mimicry, Escape Behavior, Schooling/Flocking, Toxins/Chemical Defense
(-/-) detrimental to both of the individuals or species involved because it reduces available resources
competition that occurs when the individuals of the same species compete for resources
Species that has a great impact on surrounding species relative to its abundance
principle that two species can not occupy the exact same niche at the same place and time
competition that occurs when individuals occupy space and prevent access to resources by other individuals.

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