Why is signaling in multicellular organisms more complicated than signaling in single-celled organisms?

Multicellular organisms need coordination between many cells whereas unicellular needs coordination only between a single cell and its immediate environment.

Explanation:

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correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.