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प्रश्न
Give one example for the following type.
Biological control agent
उत्तर
Biological control agent - Moth (against prickly pear cactus)
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संबंधित प्रश्न
What is mutualism?
State Gause’s Competitive Exclusion Principle.
Name the type of association:
Clownfish and sea anemone
Name the type of association: Hummingbirds and host flowering plants
What is ESS?
What is Mortality? What are its two types?
Statement I: If one or two species are lost, it may not affect proper functioning of ecosystem.
Statement II: Loss of key species causes serious threat to functioning of ecosystem. Choose the correct alternative with reference to the above statements
With the decline in the population of fig species it was noticed that the population of wasp species also started to decline. What is the relationship between the two and what could be the possible reason for decline of wasps?
What is mycorrhiza?
Observe the graph given below.
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The graph represents inter-specific interaction between two species of Paramecia competing for the same resource in a culture medium. Paramecium caudatum and Paramecium aurelia were grown in separate cultures as well as in mixed cultures. It was found that each species grew in numbers according to the logistic equation.
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a) Which species is competitively superior? Support it with the data provided in the graph.
b) State the underlying principle for the above result and name the scientist associated with this principle.
c) Explain the mechanism in which two or more species competing with each other can co-exist.
OR
Graphs A and B shown below depict interaction of two species. Which graph indicates Mutualism? Give reason.
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| A | B |
