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
$I$ and $II$
$I, II, III$ and $IV$
$I, II$ and $III$
$I, II, III, IV$ and $V$
In an aquarium two herbivorous species of fish are living together and feeding on phytoplanktons. As per the Gause’s Principle, one of the species is to be eliminated in due course of time, but both are surviving well in the aquarium. Give possible reasons.
Which of the following statements is true regarding individuals of same species
Mycorrhiza, a relationship between fungi and roots of higher plants is
Competition is a rivalry between two or more organisms for obtaining the same resources. It is a type of
What is the interaction between two species called ?