It is strengthened by data which is always contradictory.
Answer: it is species!
Explanation: species is a GROUP of individual organisims that inter breed with others!
The part of the brain that performs that function is the hypothalamus.
Answer: If a cell has the ability to take in water, food molecule, and other necessary materials this indicates it is capable of nutrition. The answer can not be digestion or absorption because it's a term that talks about multicellular beings.
This is called passive immunity. Passive in such a way that the vaccine came from another human blood plasma which contains antibodies that temporarily combats disease-causing virus/bacteria. Vaccination with gamma globulin transiently boosts patient's immunity against illnesses or diseases.