In carboniferous period , all continents existed in the form of a single giant landmass called

When small unit combine to form a large single unit then it is called

View the figure and fill in the following blanks : (i)About ____ years ago , present day continents formed a single large , irregular land mass called _____ (ii)As the continents drifted away , the ____ separated them forming ___ to free intercontinental movements of organisms. (iii)The earth has been divided into ___ biogeographical realms namely , Australian, Neotropical, ____ , Oriental , Palearctic and Nearctic. (iv)Biogeographical realms were first proposed by P.L. Sclater for specific group of animals called ____ and were later recognized by A.R. Wallace for ____ (v)____ had a voyage to Galapagos group of islands and later gave concept of _____

During the Carboniferous period, the dominant plants, which late formed the great coal beds, were mainly :

All organisms begin their life from a single cell called

Single-celled uninucleate form of slime mould is called

Single-celled uninucleate form of slime mould is called

In the long form of periodic all non-metals are placed in

ZnS exists in two forms called …….. And ……..