Legless lizards have amniotic eggs, but they do not have limbs. Based on this diagram, what is the most probable conclusion about the evolution of legless lizards?
Chondrichthyes
Actinopterygii
Actinistia
+
Dipnoi
Amphibia
Reptilia
Mammalia
Milk
(1 point)
Amniotic egg
Jaws, mineralized skeleton
Lungs or lung derivatives
Limbs with digits
Lobed fins
They evolved independently from other reptiles,
They branched off from reptiles and followed the amphibian lineage
They had ancestors with four limbs, but they lost this trait during evolution
They branched off from reptiles before the four-limb characteristic evolved.