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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Answer:
B. Only genetic engineering can produce an organism with desired
traits.
Explanation:
B. Only genetic engineering can produce an organism with desired
traits.
Answer:
1/2 x 9000 x 30x30=4050000 joule
Explanation:
4050000 energy
Answer:
supplies nitrogen to the crop
Explanation:
they form a symbiotic relationship with bacteria also known as nitrogen fixation
