Who demonstrated that five closely related species of warblers living on the same tree were able to avoid competition and coexist?

Identify the correct adaptations of parasites from the following list:
$a.$ Loss of unnecessary sense organs
$b.$ Presence of adhesive organs
$c.$ Presence of suckers
$d.$ High reproductive capacity
$e.$ Well-developed digestive system
Choose the correct option with respect to parasites.

What do caterpillars develop as a defense mechanism against their predators?

Which of the following is most appropriately defined?

What type of interaction exists between the wasp and the fig tree?

$A$ : The interaction between sea anemone and clown fish is commensalism.
$R$ : The fish gets protection from predators but anemone does not appear to derive any benefit.