Which of the following is incorrect w.r.t. competition?
Resources need not be limiting for competition to occur
Competitive species may evolve mechanism that promote their co-existance
Connel’s field experiment is an example of competitive release
Only closely related species can show competition
$A$ : Five closely related species of warblers living on the same tree can avoid competition and co-exist.
$R$ : This occurs due to behavioural differences in their foraging activities.
Discuss the various types of positive interactions between species.
Which competition is more intense?
Definitions / Explanation : Key stone species
Examples of chemicals produced by plants as a defense against grazers and browsers
$I.$ Nicotine
$II.$ Caffeine
$III.$ Quinine
$IV.$ Strychnine
$V.$ Opium
Choose the correct combination