18 public questions tagged with this topic.
A realized niche refers to the actual space and resources a species utilizes after accounting for competition.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Population Interactions - Competition - Competitive Exclusion
A fundamental niche includes all the possible conditions under which a species can exist without competition.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Population Interactions - Competition - Competitive Exclusion
“Realized niche” for set of environmental conditions actually used by species is. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Niche differentiation reduces overlap by separating species along resource, space, or time axes. Such partitioning can stabilize coexistence when each species performs relatively better under the conditions it uses most strongly. The remaining alternatives—“Ecological niche”, “Fundamental niche”, “Habitat”—refer to different states, processes, or scales and therefore do
Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13
“Positive species interactions occur” for realized niche becomes larger than fundamental niche when. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. A niche is the multidimensional set of abiotic conditions, resources, and biotic relationships under which a population can persist. The fundamental niche reflects physiological and resource limits, while the realized niche is modified by competitors, consumers, mutualists, and dispersal barriers. The remaining alternatives—“Negative species interacti
Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13
“Competitors and predators are present” for fundamental niche can become realized niche when. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Habitat describes where an organism occurs; niche additionally describes how it obtains resources and affects or responds to other organisms. Distribution therefore provides evidence about a niche but is not identical to it. The remaining alternatives—“Competitors are absent”, “Resources are unlimited”, “Conditions are ideal”—refer to different states, proce
Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13
“Interspecific competition” for the realized niche is smaller due to. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Niche differentiation reduces overlap by separating species along resource, space, or time axes. Such partitioning can stabilize coexistence when each species performs relatively better under the conditions it uses most strongly. The remaining alternatives—“Lack of resources”, “Climate change”, “Increased resources”—refer to different states, processes, or scales and therefore do n
Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13
“Interspecific competition” for what interaction primarily restricts the realized niche of a species. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. A niche is the multidimensional set of abiotic conditions, resources, and biotic relationships under which a population can persist. The fundamental niche reflects physiological and resource limits, while the realized niche is modified by competitors, consumers, mutualists, and dispersal barriers. The remaining alternatives—“Mutualism”, “Predation”,
Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13
“Conditions species would use without competition” for the fundamental niche is defined as. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Niche differentiation reduces overlap by separating species along resource, space, or time axes. Such partitioning can stabilize coexistence when each species performs relatively better under the conditions it uses most strongly. The remaining alternatives—“The actual conditions used by species”, “Only abiotic interactions”, “Only biotic interactions”—refer to
Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13
“Smaller than the fundamental niche” for a realized niche is. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. A niche is the multidimensional set of abiotic conditions, resources, and biotic relationships under which a population can persist. The fundamental niche reflects physiological and resource limits, while the realized niche is modified by competitors, consumers, mutualists, and dispersal barriers. The remaining alternatives—“Larger than the fundamental niche”, “Equal to the fundamental nic
Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13
“Interspecific interactions” for realized niche changes primarily due to. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Niche differentiation reduces overlap by separating species along resource, space, or time axes. Such partitioning can stabilize coexistence when each species performs relatively better under the conditions it uses most strongly. The remaining alternatives—“Genetic variation”, “Abiotic conditions alone”, “Population growth rate”—refer to different states, processes, or scales a
Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13
“Conditions actually used in presence of competitors” for realized niche accurately described as. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. A niche is the multidimensional set of abiotic conditions, resources, and biotic relationships under which a population can persist. The fundamental niche reflects physiological and resource limits, while the realized niche is modified by competitors, consumers, mutualists, and dispersal barriers. The remaining alternatives—“Conditions used without compe
Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13
“Positive interactions with other species” for realized niche can be larger than fundamental niche under conditions of. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. A niche is the multidimensional set of abiotic conditions, resources, and biotic relationships under which a population can persist. The fundamental niche reflects physiological and resource limits, while the realized niche is modified by competitors, consumers, mutualists, and dispersal barriers. The remaining alternatives—“Negativ
Ref: Ecology: Concepts and Applications, Molles, 9th Ed., Ch. 13
