blood type B could have a genotype of either BB or BO.
Answer:
The muscular system is composed of specialized cells called muscle fibers. Their predominant function is contractibility. Muscles, attached to bones or internal organs and blood vessels, are responsible for movement. Nearly all movement in the body is the result of muscle contraction.
Explanation:
Those that do not show artificial selection are examples A and B.
Topsoil is the most fertile soil layer for plants.
