The genotypes would be 50% Bb and 50% bb
The phenotypes would be 50% brown and 50% white. Hope this helps :)
I am not sure but maybe the answers is 5
Use your imagination, people here most likely wont answer an essay for you. Follow the instructions and again use your imagination.
A xerophyte would be a cactus.
Xerophytes are plants that have accustomed themselves to living with little liquid water. Cacti are such plants and are found in deserts with little water.