It is very different shapes cells
The most likely explanation for this phenomena is that this is a result of natural selection.
What actually happened?
When the insecticide was introduced, it killed all of the organisms that were vulnerable to it. However, there was a portion of the population that was immune. Since the immune individuals were the only ones that have survived and left offspring, after some generations in the population of this organism there were only their descendants that have the resistance to the insecticide.
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.
Answer:
Which of the following equations are balanced correctly?
2Ag2O → 4Ag + O2
Zn + HCl → ZnCl2 + H2
Cu + H2O → CuO + H2
2C4H10 + 13O2 → 8CO2 + 10H2O
Explanation: