If your cat or dog has diarrhea accompanied by fever, vomiting, blood in the stool, or lethargy, consult your veterinarian immediately, as these are serious symptoms. In these cases, hospitalization, antibiotics, and IV fluids might be necessary to treat your pet.
Biological diversity, or biodiversity, is the variety of life either in a particular place or on the entire Earth, including its ecosystems, species, populations, and genes. Conservation thus seeks to protect lifeâs variety at all levels of biological organization.
Random Chromatid Assortment. A third source of genetic diversity occurs during meiosis II, in which the sister chromatids separate and are randomly distributed to the daughter cells, the gametes. Crossing over in meiosis I leads to non-identical chromatids in meiosis II chromosomes.