I need help with the question in the picture

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

Why is it important that fibrin is insoluble in water?

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees