Describe how enzymes affect chemical reactions and explain why this makes enzymes important to living thing.

Enzymes boost the speed of chemical reactions.

They are very important because in absence of that, process of digestion would take place in several months

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.

the answer is 100% density i've answered this question before and done the quiz myself.