questions with complete solutions
Species Interactions - correct answer ✔✔The various ways in which a species can interact with other
species, such as predation, competition, parasitism, mutualism, and commensalism; part of the study of
population ecology.
Competition - correct answer ✔✔An interaction that affects two or more species negatively, as they
compete over food or other resources.
Amensalism - correct answer ✔✔One-sided competition between species, in which the interaction is
detrimental to one species but not to the other.
Predation - correct answer ✔✔An interaction in which the action of a predator results in the death of its
prey.
Herbivory - correct answer ✔✔A form of species interaction in which herbivores feed on plants.
Parasitism - correct answer ✔✔A symbiotic association in which one organism feeds off another but
does not normally kill it.
Pathogens - correct answer ✔✔A virus or microorganism that causes disease symptoms in its host.
Mutualism - correct answer ✔✔A symbiotic interaction in which both species benefit
Commensalism - correct answer ✔✔An interaction that benefits one species and leaves the other
unaffected.
Intraspecific - correct answer ✔✔Competition between individuals of the same species.
, Interspecific - correct answer ✔✔Competition between individuals of different species.
Exploitation Competition - correct answer ✔✔Competition in which organisms compete indirectly
through the consumption of a limited resource.
Interference Competition - correct answer ✔✔Competition in which organisms interact directly with one
another by physical force or intimidation.
Allelopathy - correct answer ✔✔The suppression of growth of one species due to the release of toxic
chemicals by another species.
Niche - correct answer ✔✔The unique set of habitat resources a species requires as well as its effect on
the ecosystem.
Competitive Exclusion Principle - correct answer ✔✔The idea that two species with the same resource
requirements cannot occupy the same niche.
Resource Partitioning - correct answer ✔✔The differentiation of niches, in both space and time, that
enables similar species to coexist in a community.
Sympatric - correct answer ✔✔The term used to describe species occurring in the same geographic area.
Allopatric - correct answer ✔✔The term used to describe species occurring in different geographic areas.
Character Displacement - correct answer ✔✔The tendency for two species to diverge in morphology and
thus resource use because of competition.
Fundamental Niche - correct answer ✔✔The optimal range of conditions in which a particular species
functions best.
Realized Niche - correct answer ✔✔The actual range of an organism in nature.