Cellular activity across a cell membrane

The plasma membrane is a selectively permeable barrier between the cell and the extracellular environment. Transport of such molecules and ions across all cellular membranes is mediated by transport proteins associated with the underlying bilayer.

Explanation:

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.