What do organisms exhibit to make maximum use of the environment?

Who proposed the theory of continuity of germplasm?

The transfer of genes from one population to another through interbreeding is called.....

In a population of plants,some were extremely tall,and the remaining were extremely dwarf. No plants of the population showed intermediate height. The type of operation of natural selection in the above case is

An organism that possesses traits to survive and promote reproductive success is considered to be:

Variations caused by mutation,as proposed by Hugo de Vries,are