1. Amphibian - possibly newt
2. Reptile - possibly lizard
3. Bird - possibly chicken
4. Mammal - possibly cow
5. Human
1. I can say that the embryos are similar looking; they all have eyes and are coiled. The vertebra is also visible even if the organism is in its embryonic stage.
2. Yes, I can observe similarities between each organism. You can clearly see their eyes, as well as their back bone. They also developed limbs.