Which of these infectious, viral diseases affects the immune system and can cause major damage to organs such as the liver and brain?

a) aids

b) syphilis

c) diabetes

d) parkinson's disease

Which of the following is a true statement? question 8 options: populations can't evolve, only individual organisms. individuals have adaptations that can change over time. individuals have traits that may or may not make them successful at reproduction. individuals evolve to have adaptations.