Which of the following is most appropriately defined?
- ACommensalism is a relationship in which one species is benefitted and the other is neither benefitted nor harmed.
- BParasite is an organism which always lives inside the body of other organism and may kill it.
- CCompetition is defined as a process in which the fitness of one species is significantly higher in the presence of another species.
- DMutualism is a relationship in which one species is benefitted whereas the other is unaffected.
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Two closely related species competing for the same resources cannot coexist indefinitely. This principle is known as:
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View SolutionStudy the four statements $(i-iv)$ given below and select the two correct ones out of them.
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$(ii)$ Predator star fish $Pisaster$ helps in maintaining species diversity of some invertebrates.
$(iii)$ Predators ultimately lead to the extinction of prey species.
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$(i)$ $A$ lion eating a deer and a sparrow feeding on grains are ecologically similar in being consumers.
$(ii)$ Predator star fish $Pisaster$ helps in maintaining species diversity of some invertebrates.
$(iii)$ Predators ultimately lead to the extinction of prey species.
$(iv)$ Production of chemicals such as nicotine,strychnine by the plants are metabolic disorders.
The two correct statements are
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