Higher! Because at high altitudes: lower atmospheric oxygen—> secretion of EPO to compensate
The Polio virus usually enters the environment in the feces of someone who is infected
Polio spreads from muscle to the central nervous system by neutral pathways
There are a few things classified as deltas. Like airplanes and computer monitors. Which are you talking about
Answer:
The correct answer is option d. "All of the above".
Explanation:
A species is defined as a group of similar living organisms, constituting the basic unit of taxonomic rank of an organism. In Biology an hybrid is considered a species. It doesn't matter if the hybrid comes from combining the qualities of two organisms of different breeds, varieties or species Infertile hybrids such as mules and ligers are considered species as well.