Answer:
Phenotypes
Explanation:
Heritability refers to the extent to which trait variations among individuals are attributable to their differing observable and most often definitive or measurable physical features, often called phenotypes. Examples of this variation could be something like height or eye colour. Basically it has to be traits that depend on genetics that environmental factors
I think the answer your looking for is Cells
They each play a vital role in the world we know.
Answer:
physical change
Explanation:
They are formed from pieces of other rocks or organic material
A hemoglobin is a red protein responsible for transporting oxygen in the blood of vertebrates. Its molecule comprises four subunits, each containing an iron atom bound to a heme group.