Explain competitive release. from Biology Organisms and Populatio

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 Multiple Choice QuestionsLong Answer Type

51.

List any three important characteristics of a population and explain.

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 Multiple Choice QuestionsShort Answer Type

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52. Explain competitive release.


Competitive release is the mechanism in which the the species expands its distribution range when the competitor species is removed. The species usually remains restricted to a small geographical area when the competitively superior species is present, but when the superior species is removed experimentally then the inferior species tends to expand its distributional range.
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53. List the various attributes of a population.
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 Multiple Choice QuestionsLong Answer Type

54.

Explain J-Shaped pattern of population growth.

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 Multiple Choice QuestionsShort Answer Type

55. Compare J-shaped pattern with S-shaped pattern of population growth.
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56.

Explain population density.

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57. Differentiate natality rate and Mortality rate.
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58. Differentiate natality rate and death rate.
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59.

Give an example for:
(a) An endothermic animal
(b) An ectothermic animal
(c) An organism of benthic zone

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60. What is predator and prey  ? Give example.
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