Commensalism is the interaction in which
One species benefits and other is neither harmed nor benefitted
One species do not benefits and other is harmed
One species do not benefits and other is not harmed
One species benefits and other is also benefitted
What is the interaction between two species called ?
The interaction between two living organisms of different species which is beneficial to both but is not obligatory because they can live without each other is known as
$A$ : Cattle or goat never graze on Calotropis.
$R$ : Thorns are present as a morphological means of defence
Animals eating plants are categorised separately as ...$A$..., they are in a broad ecological context, not very different from ...$B$...
Choose the correct option $A$ and $B$
In an aqueous environment, the microscopic animals are collectively called