Answer:pre-formed structures and chemicals, and by infection-induced responses of the immune system.
Explanation: brainliest?
They changed things up because its mixed or from up further in the family line. like your parents could have green eyes and you could get blue. it shoukd of came from your grandparents or other blood related relatives.
Answer:Institutional Animal Care and Use Committees ( IACUC).
Explanation: it was formally introduced in 1986 with an amendment to the Animal Welfare Act and corresponding changes in U. S. public health service policy. It is the committee that investigates researcher to know if they are properly trained to perform animal procedures, as required by law.
