The ozone layer functions to

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

the principle of segregation describes how pairs of gene variants are separated into reproductive cells. from his data, mendel formulated the principle of segregation. we now know that the segregation of genes occurs during meiosis in eukaryotes, which is a process that produces reproductive cells called gametes.

the answer is d. embryo