What is it called when several species share a common ancestor

answer; the above statement is (true);

multiplying and dividing the two decimals and the eqations by the same number of the overalls

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.