Answer to Question 1
2
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1. Active immunity is when a person is exposed to the disease organism and makes his or her own antibodies.
2. Natural Passive immunity, a form of passive immunity, is when antibodies are passed from mother to fetus by way of the placenta
3. Transmission immunity does not exist.
4. Attenuated immunity occurs when a vaccine is given.
Answer to Question 2
A, C, D, E
Heredity, nutritional status, birth order, and environment all influence growth and development.