Scientists classify organisms to make them easier to study. Taxonomy is very useful to scientists because once an organism is classified they can already learn about it
Animal behavior includes all the ways animals interact with other organisms and the physical environment. ... Behavior is shaped by natural selection. Many behaviors directly increase an organism's fitness, that is, they help it survive and reproduce.
Assuming that ambulances carry blood for purposes of
transfusion, the blood type that I would expect to be in greatest supply in an
ambulance would be Blood Type O. Blood Type O is dubbed the universal donor (or
General donor) because they have there are neither A nor B antigens.
