The fake fossils which resemble the remains of plants are known as

Which of the following structures is homologous to the wing of a bird?

Organs that have the same basic structure but perform different functions are known as .......

Age of fossils in the past was generally determined by the radio-carbon method and other methods involving radioactive elements found in the rocks. More precise methods,which were used recently and led to the revision of the evolutionary periods for different groups of organisms,include:

Recapitulation theory $(Biogenetic \text{ law})$ explains "Ontogeny repeats Phylogeny". It was given by

Fossil $X$ is considered to have evolved before fossil $Y$. This is true if: