Question

Explain the terms: (i) Speciation (ii) Natural selection​

Answer 1

(i) Speciation is the evolution of reproductive isolation among once-interbreeding populations, i.e. the development of one or more species from an existing species.

(ii) Natural selection is the process, according to Darwin, which brings about the evolution of new species of animals and plants.

Answer 2

speciation:
The formation of new and distinct species in the course of evolution.

Natural selection:

Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations