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While explaining interspecific interaction of population, (+)sign is assigned for beneficial interaction, (−) sign is assigned for detrimental interaction and (0) for neutral interaction. Which of the following interactions can be assigned (+) for one species and (−) for another species involved in the interaction?


 

Option: 1

Amensalism


Option: 2

Commensalism


Option: 3

Competition


Option: 4

Predation


Answers (1)

best_answer

(+) Sign indicates the population is benefitted

(-) Sign indicates the population is harmed

(0) sign indicates no effect on the population

\rightarrowIn predation, one species is benefitted and the other is harmed. It is (+-) type of population interaction.

\rightarrowIn anmensalism, one species is neutral where the other species is harmed. It is (0 -) type of population interaction.

\rightarrow In Commensalism, One species is benefited whereas the other species is neutral. It is (+0) type of population interaction.

\rightarrow In competition, both the species are harmed. It is (- -) type of population interaction.

Hence the correct option is (4).

Posted by

himanshu.meshram

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