Mitotic cell division is the only way a particular species of a single-celled organism can reproduce. Which of the following is most likely true about this species?

a
This species belongs in the animal kingdom.
b
The rate of evolution for this species is slower than for one that reproduces sexually.
c
The DNA of this species cannot be mutated.
d
A population of this species is more genetically diverse than a species that reproduces asexually.

b. The rate of evolution for this species is slower than for one that reproduces sexually.