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Earn 100

Which of the following equations correctly represents Verhulst-Pearl logistic growth?

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Important Questions on Organisms and Populations

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The population growth is generally described by the following equation:
dNdt=rNK-NK
What does 'r' represent in the given equation?
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Study the population growth curves (A and B) in the given graph and select the incorrect option.

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Species interaction with negative influence on both is referred to as
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Refer to the given table. If '+' sign has been assigned for beneficial interaction, '-' sign for detrimental interaction, and '0' for neutral interaction, identify the type of interaction (i), (ii), and (iii) and select the correct option.

Species A Species B Type of interaction
- _ i
+ _ ii
+ 0 iii
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Refer to the given table that summarizes the interactions between two organisms (organism 1 and organism 2 ). Identify the types of interaction (A,B and C) and select the correct answer.

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(i)  A can be either predation or parasitism.
(ii) B can be either commensalism or amensalism.
(iii) C can be amensalism.
(iv) A can be amensalism.

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Which type of interaction is being shown in the given figure?

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Which of the following is an advantage of predation?