what features should you look for in a fossil to determine if the now-extinct organism was related to a rat and an eleephant?

The fossil record and comparisons of anatomical similarities between organisms and their embryos enable the inference of lines of evolutionary descent. They can use their understanding of these patterns to place fossils in chronological order.

the economic difference between the three colonial regions. shipbuilding, whaling, fishing, and trapping where also main factors to the economy. the southern regional colonies economy was based on sugarcane, rice, cotton, tobacco, and indigo.