Do you think physical evidence has increased in importance over the last several decades, with advancements in technology and testing procedures?

answer: Sí, ha llegado a esto

Explanat Si

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands