B Mutation i think hope this helped
 
        
             
        
        
        
“Genes and environmental effects are often part of the explanation. “
“...disease-causing alleles of one gene may be suppressed by alleles of another gene elsewhere in the genome, or a person's overall health may influence the strength of a disease phenotype.”
https://www.khanacademy.org/science/high-school-biology/hs-classical-genetics/hs-non-mendelian-inheritance/a/polygenic-inheritance-and-environmental-effects
        
             
        
        
        
Microscope allowed us to find known parasites, micro living things.
Technology allowed us to inherit knowledge on different plants and animals
        
             
        
        
        
Answer:
Unequal heating of the earth
Explanation:
Warm air rises at the equator and moves towards the poles. At the poles,  the cooler air sinks and moves back to toward the equator