Peripatus is a connecting link between
mollusca and echinodermata
annelida and arthropoda
coelenterata and porifera
ctenophora and platyhelminthes.
Anatomically and structurally different, but functionally similar structures are called
Dinosaurs were abundant during
Which of the following is a vestigial organ?
A scientist who worked on rats cut their tails upto $21$ successive generations but at last he found that tail remained normal. By this experiment theory of which scientist is disapproved
The Chronological order of human evolutionfrom early to the recent stages is