An association of two species where both the partners derive mutual benefit from each other is
Parasitism
Symbiosis
Commensalism
Predation
What is commensalism ?
In commensalism
If the strong partner is benefitted and the weak partner is damaged, it is known as
Which of the following is an example of a defence used by plants against herbivores?
$I.$ Production of caffeine, tannin quinine
$II.$ More production of non-woody tissues
$III.$ Productions of hairs, thorns, spines
$IV.$ Production of hormone-like chemicals that interfere with insect metamorphosis
Select the correct pair