Every organic substance contains

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes

Which feature of a human community is similar to a niche in a biological community