Adiagram shows embryo developed of four different animals. how is this evidence used to suggest that life changes over time?

In the early stages the embryos of four different species will look the same .For example, fish embryos and human embryos both have gill slits. In fish they develop into gills, but in humans they disappear before birth. That what makes them different.

1. protection 2. homeostasis 3. storage4.blood formation5.bone marrow 6.movement