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>
III only (floods and drought) is an example of density-independent factor affecting population growth.
<h3>WHAT IS DENSITY-INDEPENDENT FACTOR?</h3>
Certain factors affect the growth and multiplication of living organisms in populations. These factors can either be;
- Density-dependent
- Density-independent
Density-independent factors are those factors that are not dependent on the density of the population to affect them. These factors are usually physical factors of the environment like;
- Disasters
- Flood and drought
- Earthquake etc.
Therefore, III only (floods and drought) is an example of density-independent factor affecting population growth.
Learn more about density-independent factors at: brainly.com/question/13712356
The answer is D) unlimited flow of water into or out of the cell for #9.
For #10, the answer is C) endocytosis and exocytosis.
The strands are suppose to be exactly same when replication is complete, so you would not be able to tell the difference.
