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Question
What signs can be used to represent the interaction between fishes and flamingoes in the shallow South American lakes ?
What signs can be used to represent the interaction between fishes and flamingoes in the shallow South American lakes ?
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Solution
The correct option is C -, -
No species lives in isolation in nature and populations of different species live together and interact in many ways.
Interaction between the populations of two different species is called interspecific interaction and these interactions can be beneficial, detrimental (harmful) or neutral (neither harm nor benefit) to the species.
‘+’ sign is used to denote beneficial interaction, ‘-’ sign to denote detrimental interaction and ‘0’ for neutral interaction.
The various population interactions observed in nature include mutualism, parasitism, commensalism, amensalism, competition and predation.
In some shallow South American lakes, visiting flamingoes and resident fishes compete for zooplankton, their common food. This is an example of interspecific competition.
Competition occurs when more than one species competes for the same resources that are limiting and has a negative effect on both the interacting species.
Hence, competition can be represented as (-, -).
In commensalism, out of the two interacting species, one species is benefitted (commensal) and the other is neither harmed nor benefited (host). Commensalism can be represented as (+,0).
(+, +) signs are used to represent mutualism in which both the interacting species are benefited.
(-,0) signs are used to represent amensalism, in which one species is harmed and another one is unaffected by this interaction.
No species lives in isolation in nature and populations of different species live together and interact in many ways.
Interaction between the populations of two different species is called interspecific interaction and these interactions can be beneficial, detrimental (harmful) or neutral (neither harm nor benefit) to the species.
‘+’ sign is used to denote beneficial interaction, ‘-’ sign to denote detrimental interaction and ‘0’ for neutral interaction.
The various population interactions observed in nature include mutualism, parasitism, commensalism, amensalism, competition and predation.
In some shallow South American lakes, visiting flamingoes and resident fishes compete for zooplankton, their common food. This is an example of interspecific competition.
Competition occurs when more than one species competes for the same resources that are limiting and has a negative effect on both the interacting species.
Hence, competition can be represented as (-, -).
In commensalism, out of the two interacting species, one species is benefitted (commensal) and the other is neither harmed nor benefited (host). Commensalism can be represented as (+,0).
(+, +) signs are used to represent mutualism in which both the interacting species are benefited.
(-,0) signs are used to represent amensalism, in which one species is harmed and another one is unaffected by this interaction.
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