Why did Mendel use pea plants in his experiments? O A. They have no dominant traits. B. They are haploid organisms. O c. They produce many offspring, O D. They are all male.

This is what i did 45-5=4040÷4=10so there are 10 white marbles but am not sure is just a question that am not sure

Interacting group of various species in a common location. for example, a forest of trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi, constitutes a biological community.