Why is the process of copying dna called semiconservative replication? each strand is a mixture of old and new nucleotides. one strand runs from 5’ to 3’ and the other runs from 3’ to 5’. the process happens very slowly to conserve energy. the two new dna molecules are formed from one old strand and one new strand of dna.

Complete the possible outcomes for each generation in the pedigree chartaa aa aa

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.

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .