How do humans change the balance of the ecosystem

Humans may destroy natural landscapes as they mine resources and urbanize areas. This is detrimental, as it displaces residing species, reducing available habitats and food sources. This can negatively effect an ecosystem because the introduced species may outcompete native organisms and displace them

Explanation:

Humans impact on the natural environment has reached unprecedented levels. Humans are present on all continents: almost allecosystems have been modified by human activities through habitat loss and fragmentation, overpolitation, and invasive species

Explanation:

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;

answer///multiple alleles;