I am not 100% sure but I believe that because of increased manufacturing, the air got very polluted and this made many trees darker, like birch. So moths are usually lighter in color so many couldn’t really hide among trees and they were eaten. After some time, many moths mutated and also became darker to blend in when they were on trees to prevent being eaten by predators. In conclusion, the population decreased.
Was this the answer you were looking for?
They consist of identical sister chromatids
The correct answer is "C". 'Proton'. The number of protons is equal to the atomic numbers.
I hope this helps!
A traveling clot that suddenly blocks a blood vessel is an embolism
