What can you learn from a set of embryo drawings of vertebrates of different phyla?

 B. The phenotype of the different species of phyla
Genotypes are genetic code found in the DNA that carry certain characteristics to be expressed in the species' phenotype. Phenotypes are expressed characteristics due to the genotypes. By looking at embryos of different species, we can compare and contrast their phenotypes. 

My pigs teeth have already came in years ago, with my first molars, and my second molars are pretty much in. my wisdom teeth will be unable to come in, but i'm getting those out on monday.