I think it’s D vacuoles, I’m not certain but it don’t hurt to try if it’s not that try A
The correct answer is B !! Both are interdependent thus forming a mutualistic association !!
As both can not live without each other thus making obligate !!
so They share obligate mutual association !! Go with B !!
Muscle spasms is the answer i belive because you dont have the control
Answer:
1. genotype of female: Bb
a. genotype of male: bb
b. white is dominant
c. female phenotype: white
male phenotype: black