An ecosystem has many levels of organization. which level will have the most individuals? a. a population b. a biological species c. an interbreeding group d. a community

D. A community

Explanation:

An ecosystem is a biotic community in which living beings interact with their non-living physical environment which includes non-living factors like soil, water and wind. A community is an interacting group of various species living in a same location. For example, forest is an ecosystem which consists of community of species like plants, animals and microbes.

On the basis of the above explanation, the community will have the most individuals.  

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