Evidences of Evolution (Bio Bootcamp)

The wing bones of a bird resemble the bones in the foreleg of a cow.

• Embryology

• Homologous structures

• Vestigial organs

• Molecular evidence

Indications of gill slits occur in the early development of mammals.

• Embryology

• Homologous structures

• Vestigial organs

• Molecular evidence

Tests show that there are similarities in the genes of chimpanzees and gorillas.

• Embryology

• Homologous structures

• Vestigial organs

• Molecular evidence

Few people can move their ears although they all possess muscles for the purpose.

• Embryology

• Homologous structures

• Vestigial organs

• Molecular evidence

The same amino acid sequence for a certain protein is found in all living organisms.

• Embryology

• Homologous structures

• Vestigial organs

• Molecular evidence

At day 3 of development, both salamanders and turtles possess the same features in the womb.

• Embryology

• Homologous structures

• Vestigial organs

• Molecular evidence

Cave-dwelling salamanders have eyes even though they are completely blind.

• Embryology

• Homologous structures

• Vestigial organs

• Molecular evidence

Pakicetus is thought to be an early ancestor to the modern whale because of the similarities in ear and nose structures.

• Embryology

• Homologous structures

• Vestigial organs

• Molecular evidence

Both humans and other monkeys have narrow, deep chest structures with shoulder blades that lie flat on the back.

• Embryology

• Homologous structures

• Vestigial organs

• Molecular evidence

During development, humans have webbed fingers and toes similar to a chicken.

• Embryology

• Homologous structures

• Vestigial organs

• Molecular evidence