Fossils are Remains Of Tracers Of Prehistoric Life
Asexual reproduction is quicker since it <span>generates offspring that are genetically identical to a single parent.</span>
Leukopenia means a low count of white blood cells in the body. When there is a low white blood cell count in the body, and in particular a low level of neutrophils (a kind of white blood cell that fights infection), there is quite a significant risk of developing an infection, and once an infection is developed and the white blood cell count is low, the body will not be able to protect itself and fight off the infection. In severe cases , infection may lead to death.
Organs or skeletal elements of animals and organisms
By intruding mutations, which are the ultimate source of biological diversity. I think this is it.
