is a connecting link between
Annelids and molluscs
Reptiles and mammals
Annelids and arthropods
Annelids and reptile
$A$ : Blood group analysis shows the human beings are more closely related to apes than to monkeys.
$R$ : The blood groups $A$ and $B$ are found in apes but not in monkeys.
Mutation theory explaining organic evolution was proposed by Hugo de Vries. He worked on
The theory that evolutionary change is slow and continuous this phenomenon is known as
The feature which enabled reptiles to dominate the land fauna for $100$ million years was their