What is a Transitional Form?
Ancestor
Descendent
possibility 1: gradual change from one to the other
possibility 2: a series of mutations over many generations
Each mutation changes the appearance of the organism in particular ways. Click on the different traits (below, left) to show what the organism looks like after this mutation has occurred.
Ancestral Characteristics:
eye shape, mouth, length, legs, teeth, tail, neck, spines, color, eye color
Descendent Characteristics:
forehead
Ancestral Characteristics:
mouth, length, legs, teeth, tail, neck, spines, color, eye color
Descendent Characteristics:
forehead, eye shape