The skin
1. observe which parts of the skin on your hand do and donot have
hair? why do you think this is?

The palm has no hairs because there is a blockage of hair follicles. This will cause it to not grow anymore. For it to grow, you will need these hair follicles.

Not sure, but hopefully this helps. You can get this from google. I rephrased to make not it plagiarism.

D.) domain, kingdom, phylum, class, order, family, genus then species

The titanic is the answer