Vaccines are weekend forms of disease causing microorganisms which are given to patients to prevent diseases. after the vaccine is administered what response to the vaccine is triggered in the body?
a. secretion of antigens by lymphocytes
b. absorption of histamine throughout the body
c. production of temporary resistance to the disease
d. production of antibodies providing active immunity

How does the fossil record provide evidence that the modern whale evolved from the anthracotheres? a) the modern whale looks like their ancestor the anthracotheres. b) the modern whale has all of the same structures as their ancestor. c) there is not enough evidence to suggest the the modern whale evolved from the anthracotheres. d) the anthracotheres has a structure that is still present in the modern whale, but is no longer of use to the modern whale.