The most thoroughly studied of the known bacteria plant interactions is the
Nodulation of Sebania stems by nitrogen fixing bacteria
Plant growth stimulation by phosphate-solubilising bacteria
Cyanobacterial symbiosis with some aquatic ferms
Gall formation on certain angiopserms by Agrobacterium
Coacervates were experimentally produced by
In evolution.......evolved $1st$ time in annelida
According to the Neo-Darwinian theory, which of the following is responsible for the origin of new species?