Because they change over time
Answer:
The digestive system is a collection of organs that work together to digest and absorb food. Digestion is the process your body uses to break the foods you eat down into molecules your body can use for energy and nutrients. The following organs work together to help your body process the foods you eat.
Its C. <span>the small population size means that the new colony may have reduced genetic variation from the original population and that variation, in this case, included the dominant allele for huntington's disease.</span>
I think the answer is naturally acquired active immunity..also depends on which disease
