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Question
Substantiate by giving two reasons as to why a holistic understanding of the flora and fauna the cropland is required before introducing an appropriate biocontrol method.
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Solution
Eradication of pests will disrupt predator-prey relationships, where beneficial predatory and parasitic insects which depend upon flora and fauna as food or hosts, may not be able to survive.
Holistic approach ensures that various life forms that inhabit the field, their life cycles, patterns of feeding and the habitats that they prefer are extensively studied and considered.
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RELATED QUESTIONS
Define the following term:
Commensalism
Define mutualism.
The interaction in nature, where one gets to benefit on the expense of other is _________.
The relationship between sucker fish and shark is _________.
Brood parasitism is best explained by the example of ____________.
The interspecific interaction between Cuckoo and Crow is ______
Which one of the following is NOT an example of mutualism?
Observe the set of 4 figures A, B, C and D and, answer the following questions
- Which one of the figures shows mutualism?
- What kind of association is shown in D?
- Name the organisms and the association in C.
- What role is the insect performing in B?
 Fig. (A) |
 Fig. (B) |
 Fig. (C) |
 Fig. (D) |
Give one example for the following:
An organism which can conform
Statement I - Calotropis growing in abandoned fields is never consumed by cattle and goats.
Statement II - Calotropis produces highly poisonous cardiac glycosides.
In light of above statements, select the most appropriate answer from the option given below.
