The lock-and-key mechanism refers to?
a.) the complementary shapes of an enzyme and a substrate.
b.) the attractive forces between an enzyme and a substrate.
c.) the ability of an enzyme to lower the activation energy of a reaction.
d.) the ability of an enzyme to “unlock” the products of a reaction.

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.

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.