Yes, it is possible that evolution occurs in this case.
At first, the new insecticide is effective against the boll weevil. Spraying the insecticide will kill the boll weevil in a way. The insecticide might attack boll weevil enzyme or any part of its organs.<span>
But some of them might have a mutation that renders the insecticide ineffective. The mutation probably happens to DNA that code the enzyme or protein that targeted by the insecticide, makes the insecticide completely ineffective.
The next spray will kill all old organism, leaving the new resistant organism in less competition area. This will allow the resistant organism to grow fast and eventually replace all the old organism in the area.</span>
The answer is; NO
What is described in the question is weather, not climate. The two are different. Weather, which is the measure the local atmosphere in a short period of time, may fluctuate drastically within this short period. Temperatures, for example, can reach 30 degrees during the day and fall to 10 degrees in the night. However, climate is the study of weather over a long period of time such as over 30 years.
Smoking, sitting too long, ......................... are examples of RISK FACTORS that offset the wellness benefits of fitness program.
Fitness program has many benefits that improve one's health status, but these benefits may be hindered from manifesting if one is indulging in some habits or eating some kind of foods that are not beneficial to one's health. Such unhealthy habits and foods are termed risk factors. And these risks factors may increase the probability of one having some types of diseases in the future. <span />
Answer:
A few ways could be
-toxic waste
-trash and plastic
-sewage
-indirect contamination
-bacteria and parasites
-mining
-burning fossil fuels
-direct marine dumping
-oil leak
-chemical pesticides
Explanation:
These are the 10 I found and came up with but there are many detrimental ways that we directly and indirectly effect the pollution of water.
