Through sexual reproduction.
Answer:
true
Explanation:
it is like the survival of the fitest. Evolution basically.
Answer:
Answers are A,B,D and E.
Explanation:
Pulse oximetry readings are helpful in determining the oxygen level of the blood, Oxygen level less then 90% is indication for pneumonia.
Arterial Blood gas test measures the oxygenation, pH and CO2 pressure level in blood of arteries. Low oxygen level and low CO2 pressure is indication for pneumonia.
Lung sounds such as Rales and rhonchi are indicator of pneumonia.
Number of years of smoking helps to determine the risk level for a disease.
Answer:
Cetacean
Explanation:
Let us start with the family Delphinade which is the largest in the Cetacean order, and relatively recent: dolphins evolved about ten million years ago, during the Miocene. Dolphins are among the most intelligent animals and their often-friendly appearance and seemingly playful attitude have made them popular in past and current human culture.