The interaction observed in this diagram is

Which of the following exhibits parasitism on the stem of a plant?

The stimuli through which a dancing scout bee communicates the location of a food source to other worker bees in a hive are

Herbivores,which are an integral part of the ecosystem's food chain,can be ecologically considered as:

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 incorrect?