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.
Over eons of evolutionary history, nature decided that four nucleotides provides the right balance between species variability and excessive redundancy. Scientists believe thi â¦ s is the reason why DNA has evolved to contain four nucleotide base.