The age of fossils or dating of fossils can be best estimated by

Which of the following does $NOT$ represent homologous structures?

Among the statements given below,which statement is correct on the basis of the observations of Ernst Haeckel?

Some of the important evidences of organic evolution are:

Flippers of Penguins and Dolphins are examples of:

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: