A young girl has blonde hairs like her mother and brown eyes like her father. What causes these similarities in her traits to her parents?

a: sexual reproduction
b: heredity
c: behavior
d: adaption

Many body systems work together for proper functioning of the body and to maintain internal homeostasis. the works to break down food eaten before exercising. the takes in the nutrients obtained from the food. the body sweats as a mechanism to cool off, because the is working to flush out toxins.