Consider the following statements (a-d) each with one or two blanks (i) bears go into 1_________ during winter to 2________ cold weather (ii) A conical age pyramid with a broad base represents 3_________ human population (iii) A wasp pollinating a fig flower is an example of 4________ (iv) A area with high levels of species richness is know as 5_________.
Which one of the following options, gives the correct fill ups for the respective blanks numbers from 1 to 5 in the statements.