You only have to answer the following questions into two essays. Essay 1 Explain in detail the classification of humans. – From the level of Domain to the level of Class. At each level, mention the main features of that particular level which puts humans in that group. Domain that humans belong to and Why? Kingdom that humans belong to and Why? Phylum that humans belong to and Why? Sub-phylum that humans belong to and Why? Class that humans belong to and Why? Essay2. What is Cancer? What are the characteristics of cancer? What are some of the causes for cancer? How does it spread from one place to another in the body? What is the role of cell cycle regulators in cancer? Name some potential treatment options.