A. Contagious fatal virus
Because they have selective mutation and each time an organism/animal reproduces they get half of their parents chromosomes. therefore each and every single organism/animal will be unique
Options:
A. horse
B. bacterium
C. oak tree
D. starfish
The answer is ''starfish" or option D. Mitosis is cell division that includes two daughter cells that actually has the same amount of chromosomes as each other. (most likely twins) Mitosis is also part of the cell cycle with meiosis which helps the organism remain homeostasis and homeostasis is the process organism used to stay cold on a arm day, or stay warm on a cold day.
Hope this helps!
<em>~Nonportrit </em>