Please provide the answers.
B, both chemical and biological factors are involved
Genetic structure, which is inherited by the parents.
A child's eye and hair color are determined by its parents that pass on the genes for red, blonde, brown, black, curly, straight hair, etc, etc.
Hope this helped!!
"B. organisms that use the same resource" is destined to cause the most competition between those organisms, since resources are scarce and almost always limited.
