What five features can you observe in the embryos of fish, amphibians, reptiles, birds, and humans in this diagram? In other words, what do they all have in common?


Backbone

Wings

Horns

Sharp teeth

Four limbs (2 arm buds and 2 leg buds)

Gill Slits

Fur

Claws

Tail

Feathers

Eyes




PLEASE HELPP FAST