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प्रश्न
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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उत्तर
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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संबंधित प्रश्न
Which day is observed as ‘World Environment Day’?
What is mutualism?
Define the following term:
Interspecific competition
Select the statement which explains the best parasitism.
Enlist and explain the important characteristics of a population.
Which principle/theory states that 'Two closely related species competing for the same resources cannot co-exist indefinitely and the competitively inferior will be eliminated eventually.'?
Select the CORRECT match:
| I | II | ||
| i. | Competition | a. | Lichen |
| ii. | Commensalism | b. | Sea anemone and clownfish |
| iii. | Mutualism | c. | Lions and Leopards |
Parasitism can be conectly represented as ____________.
Which population interaction can be represented by'+''-'?
Give one example for the following type.
Phytophagous animal
