How various biochemical approaches are helpful in the process of classification of plants and animals? Give examples.

Briefly discuss the evolutionary thinking of pre-Darwinian period.

Flora

Explain the biological species concept and describe the mechanisms of speciation.

With the help of examples discuss the formation of coadapted communities and phenomenon of character displacement

Different types of keys for identification in a taxonomic works.

Explain how competition between two species leads to character displacement and ecological exclusion by giving an example