Name the association in which one species produces poisonous substance or a change in environmental conditions that is harmful to another species.
Match List $I$ with List $II$.
List $I$ (Interacting species) | List $II$ (Name of interaction) |
$A$. A Leopard and a Lion in a forest/grassland | $I$. Competition |
$B$. A Cuckoo laying egg in a Crow's nest | $II$. Brood parasitism |
$C$. Fungi and root of a higher plant in Mycorrhizae | $III$. Mutualism |
$D$. A cattle egret and a Cattle in a field | $IV$. Commensalism |
Choose the correct answer from the options given below.
If $'+'$ sign is assigned to beneficial interaction, $'-'$ sign to detrimental and $'O'$ sign to neutral interaction, then the population interaction represented by $'+'\, '-'$ refers to
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 $B$