Class 12 · Organisms and Populations

Interspecific Competition Types — NEET Biology

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Competition: When Darwin spoke of the struggle for existence and survival of the fittest in nature, he was convinced that interspecific competition is a potent force in organic evolution. It is generally believed that competition occurs when closely related species compete for the same resources that are limiting, but this is not entirely true. Firstly, totally unrelated species could also compete for the same resource. For instance, in some shallow South American lakes, visiting flamingoes and resident fishes compete for their common food, the zooplankton in the lake. Secondly,

NCERT Biology · Class 12 · Chapter 11 · Paragraph 46
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Adjacent to a frequently-asked paragraph in the same chapter.

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Match the Column: Column I 1. Flamingoes and fishes 2. Abingdon tortoise extinction 3. Barnacle competition in Scotland 4. Resource partitioning in warblers Column II a. Competitive exclusion by goats b. Different foraging patterns allow co-existence c. Unrelated species compete for zooplankton d. Larger barnacle excludes smaller

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