Answer: A phenotype is an individual's observable traits, such as height, eye color, and blood type. The genetic contribution to the phenotype is called the genotype. Some traits are largely determined by the genotype, while other traits are largely determined by environmental factors.
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Answer:
a weightlifter lifts a 20 kilogram barbell above his head
Im not 100% sure but the best answer I can give is Prokaryotes because they came to be around the time oxygen did as well.
The answer is B because the white rabbit population was disrupted and so was the grey one increased the other decreased. I hope this works for you.