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Vestigial structures: Such as penguin’s wings, they use thei
Transcript of Vestigial structures: Such as penguin’s wings, they use thei
One bit of proof of evolution in anatomy is vestigial structures.
Homologous structures: In the context of biology, homology is the existence of shared ancestry between a pair of structures, or genes, in different species. Common examples of homologous structures in evolutionary biology are the wings of bats and the arms of primates.
Another is homologous structures
Animals of very different species have similarities. (Whales and humans have humerus, radius, and ulnas)
Molecular biologists have other information like :
Fossils have the same traits as many of their current relatives as proven by evolution. (Gigantopterid and the peony having oleanane)
Evolution of Mammals
Some of the oldest reptiles have mammal like feature(Pennsylvanian 305 years ago)
Evolution of mammals
Some of the oldest reptiles have mammal like features (Pennsylvanian age, about 305 mil years ago)
Evidence of evolution
Evolution of birds
Most paleontologist regard birds as he direct descendent of some dinosaurs
The first discovery was in 1960's
Evolution of vertebrate legs
the lobe finned fishes bones are much like the bones in the fore limbs and hind limbs of tetrapods.
The study of fossils and how it relates