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- What is a realized niche? O The environmental conditions in which a species can live. O The environmental conditions in which a species cannot live. The environmental conditions or geographic area where a species does live. O The environmental conditions or geographic area where a species does not live.When species occupy the same niche, they must compete with each other for limited resources. Check each outcome that is likely to occur in the long-term if two species occupy the same niche. (Select all that apply): O Exclusion of one species from the entire niche, but not the other. OExclusion of both species from the entire niche. Persistence of both species throughout the entire niche. O Division of the niche into two smaller niches, each dominated by a single species. Alternating cycles where one of two species is initially excluded but subsequently becomes dominant, excluding the other.The principle that species cannot occupy the same niche forever, one will eventually exclude the other is known as: O Zone of differentiation O Differential exclusion O Competition mediated exclusion O Character displacement O Competitive exclusion
- The way an individual's energy is divided among growth, maintenance, and reproduction is controlled by the species' genes and is shaped by natural selection. Different species divide their energy in different ways, but the way energy is divided results in the greatest given the species' niche. O body size o individual survival o lifetime reproductive successThe competitive exclusion principle is best defined as Multiple Choice the competition among individuals of the same species in the same location. the principle that two species that occupy the same niche cannot coexist indefinitely. an interaction between species that enhances the fitness of the exploiting individual while reducing the fitness of the exploited individual. the principle that if an organism allocates energy to one function, such as growth or reproduction, it reduces the amount of energy available to other functions.Which of the following statements about the concept of ecological niche is correct? A species' realized niche, may or may not be the same as its fundamental niche The fundamental niche of a species includes biotic and abiotic factors while the realized niche only includes biotic factors A species' fundamental niche is always smaller than its realized niche A niche is the same as a habitat
- Which of the following is an example of biological magnification? O Increasing concentrations of chemicals are present in organisms at higher trophic levels. Explosive expansion of species following an ecological disturbance increase diversity. O Diversification of species depends on the size and continuity of their regional habitat. Members of a species increase in size over time because the largest organisms are more fit. Larger organisms utilize more abiotic resources than smaller organisms.If two species are close competitors, and one species is experimentally removed from the community, the remaining species would be expected to select the best answer O become the target of specialized parasites expand its realized niche O change its fundamental niche eventually become competitively superior to the other species O decline in abundanceThe way an individual's energy is divided among growth, maintenance, and reproduction is controlled by the species" ways, but the way energy is divided results in the greatest given the species' niche. O body size individual survival O lifetime reproductive success
- What is accurate about the nature of competition between species? Choose All That Apply O it takes energy away from other functions of the organisms involved Otraits that reduce competition are generally selected for it is less intense the more the niches overlap overtime it could potentially result in resource partitioningSpecies interactions determine an organism's fundamental niche. True FalseSpecies interactions influence an True False organism's realized niche.