The table shows the survival rate of two types of beetles in the same environment over a period of three years. giving brainiest!!!

Which statement about the beetles in this environment is best supported by the data?

a
Brown beetles have a shorter life cycle than green beetles have.
b
Green beetles have a greater gene frequency among their population than brown beetles have.
c
Brown beetles undergo a greater number of unfavorable mutations than green beetles do.
d
Green beetles are more fit for the environment than brown beetles are.