Parasitism.
There are several types of biotic relationships that is occurring
every single moment in the ecosystem and one is parasitism. In this scenario
with human beings and mosquitos, this phenomenon of interaction is
distinguished as parasitism where mosquitos draws blood that contains nutrients
from the human tissue to use it as its source of food and then leaves harmful
substances and bacteria in the human’s blood stream.
the answer for the first one is B
and the second is B
During acclimatization over a few days to weeks, the body produces more red blood cells to counteract the lower oxygen saturation in blood in high altitudes. Full adaptation to high altitude is achieved when the increase of red blood cells reaches a plateau and stops.Heart rate is controlled by the two branches of the autonomic (involuntary) nervous system. The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS). ... At the beginning of exercise, your body removes the parasympathetic stimulation, which enables the heart rate to gradually increase.
D)all of them