Describe how evolution changes the relative frequency of alleles in a gene pool. why does this happen?

The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

Albinism is an inherited genetic disorder. explain what it is meant by inherited genetic disorder