What is the significance of mimicry?

Given below are two statements.
Statement $I$: $Calotropis$ growing in abandoned fields is never consumed by cattle and goats.
Statement $II$: $Calotropis$ produces highly poisonous cardiac glycosides.
In light of above statements,select the most appropriate answer from the option given below.

Give one example for each of the following types:
$(a)$ Migratory animal
$(b)$ Camouflaged animal
$(c)$ Predator animal
$(d)$ Biological control agent
$(e)$ Phytophagous animal
$(f)$ Chemical defense agent

Gause's law is true only when

$A$ sedentary sea anemone gets attached to the shell lining of a hermit crab. The association is:

Describe commensalism.