Q. Competition of species leads to

 2331  193 Delhi UMET/DPMTDelhi UMET/DPMT 2008Organisms and Populations Report Error

Solution:

Competition of species leads to extinction Mutation is the differences in the interbreeding population due to changes in the chemical composition of genes.
Niche is the habitat of the organisms plus its role in the ecosystem.
Symbiosis is the, living together of two organisms in which both get benefit from each other.