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.
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bb or Bb
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The father gave a b. Mother needs to so she must have a b, but she only needs one.
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Hi! So what exactly do you need help with? If you want the whole thing helped with/done, nobody's going to do that whole thing for a measly five points... I suggest reposting it with a higher point prize.
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