Select the correct answer.
what's the role of oxygen in cellular respiration?
a it accepts electrons and keeps the electron transport chain running.
b. it breaks down carbon-based sugar molecules to release energy and forms carbon dioxide.
c. it combines with hydrogen ions in sugar molecules to release energy and form water.
d. it supplies electrons to the electron transport chain to keep it running.

A It accepts electrons and keeps the electron transport chain running.

O2 simply functions as an electron receiver in the ETC/oxidative phosphorylation. It gobbles up the products of oxidized NADH or FADH 2.  

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.