$Ornithorhynchus$ is a connecting link between:

Which one of the following evidences does not favour the $Lamarckian$ concept of inheritance of acquired characters?

Anatomically and structurally different,but functionally similar structures are called

Which one provides direct and solid evidence in favour of organic evolution through ages?

The occurrence of vestigial organs is not explained by:

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: