Insects obtain oxygen through which are small abdominal holes that lead into tracheal tubes called tracheae that branch out into smaller tubes called tracheoles. from there, oxygen diffuses into body cells.

alveoli

spiracles

stomata

answer: wheres the options

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.