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Earn 100

Which of the following statements about interspecific competition are true?

(i) It is a competition between same species for same resources in an ecosystem.

(ii) It alters populations, communities and the evolution of interacting species.

(iii) The competition between leopards and lions for the same feed or prey is an example of interspecific competition.

(iv) It is a competition between same species for space.

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Important Questions on Organisms and Populations

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In the given figure, identify Coniferous forest, Arctic and Alpine Tundra and tropical forest, respectively.
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Fishes of the Antarctic water prevent their body fluids from freezing by
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In a pond, the number of lotus plants increases from 20 to 25 in one year. Then, the birth rate is ____ offspring per lotus per year.
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Assertion (A): Intraspecific competition is more severe than interspecific competition.

Reason (R): In Intraspecific competition, members of the same species fight for the same resources.

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If the population of a city of 100 people increases at an intrinsic rate of 0.1, but the city only has access to food and housing for 200 people, what will the current growth rate of the population be?
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Select the correct match with respect to the population interaction.

COLUMN I COLUMN II
(a) An orchid – mango association (i) Mutualism
(b) Five related species of warblers (ii) Ectoparasites
(c) Mycorrhizae (iii) Commensalism
(d) Fishes and copepods (iv) Competitive co-existence
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Predators in nature are prudent because
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The population density in a given habitat at time t+1 is represented by the relation: