Newborns receive a single injection of vitamin K at birth due to the fact that the newborns don't have enough bacteria to make vitamin K.
Vitamin K at birth helps the blood to clot and prevents serious bleeding. In newborns, vitamin K injections can prevent a now rare, but potentially fatal, bleeding disorder called 'vitamin K deficiency bleeding' also known as 'hemorrhagic disease of the newborn'.
Answer: because of the moon rotation
Explanation:
I believe this is survival of the fittest. so because of the drought there was no more food supply for the long necked tortoises thus causing them to die off and not be able to reproduce and pass of their gene for long neck. where as for the short neck tortoises there was enough food for them to survive and thus being able to reproduce and pass on their gene for short necks.
Answer:
Homeostasis
Explanation:
Homeostasis mean to 'keep the conditions of the internal environment of the body relatively constant'. The person drinks a glass of iced water which cools the internal environment that responding in decreased sweat production.