In a ring species gene flow occurs between neighboring populations of a species, but at the end of the ring populations don’t interbreed.
Explanation:
Lucille's cells need oxygen. In order for cells to properly function, they need to be oxidized. If Lucille's respiratory system is not working then her body cannot receive the oxygen that it needs in order to send to her blood cells. The circulatory system pumps Lucilles's blood around her body but if there is no oxygen, Lucille's cells/heart cannot properly function, this making it difficult for her to play soccer.
A graphic that shows the number of organisms in each trophic level of the ecosystem is called a (c) number pyramid. It is in a form of a pyramid and the bottom indicates the largest number of the organisms. It could also be a source of the quantitative analysis of the ecosystem.
American prairie, bison and badgers don't live in any of the other options naturally.