Given the recent evidence suggesting that species change due to certain genetic variations, which of these is true? Darwin's theory of evolution was wrong.
Natural selection cannot cause evolution.
Mutation and natural selection both cause changes in a population.
Changes in a population occur abruptly as a response to the environment.

answer; /// i do believe the correct answer is (

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.

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.