9. The digestive system is to absorbing nutrients as the circulatory system is to A removing nutrients
C distributing nutrients
B attracting nutrients
D fighting infections

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.

There are multiple lines of evidence that provide support for common ancestry and evolution. write 3-4 paragraphs describing at least three of them in detail. provide at least one example for each line of evidence.