The process in which populations change over time O Ecology
O Natural selection
O Evolution
O Mutation

The image shows embryos of three vertebrate classes

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?

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.