According to Darwin, the organic evolution is due
to
(a) competition within closely related species
(b) reduced feeding efficiency in one species due to
the presence of interfering species
(c) intraspecific competition
(d) interspecific competition.
to
(a) competition within closely related species
(b) reduced feeding efficiency in one species due to
the presence of interfering species
(c) intraspecific competition
(d) interspecific competition.