Competition for food,light,and space is most severe between two:

All the following interactions are mutualism,except

While explaining interspecific interaction of population,$(+)$ sign is assigned for beneficial interaction,$(-)$ sign is assigned for detrimental interaction and $(0)$ for neutral interaction. Which of the following interactions can be assigned $(+)$ for one species and $(-)$ for another species involved in the interaction?

What is the term for an interaction where both organisms benefit and are essential for each other's survival?

Animals have evolved various innate mechanisms to avoid predators. Some examples are given below. Select the incorrect example.

$A$ scorpion stalks,kills,and then eats a spider. Based on its behavior,which ecological terms describe the scorpion?