Which of the following is an example of a parasite living on another parasite?

Identify the examples of Commensalism and Mutualism from the given list:
$I -$ Mango tree and Orchid
$II -$ Fungi and Algae or Cyanobacteria (Lichen)
$III -$ Fungi and roots of higher plants (Mycorrhizae)
$IV -$ Whale and Barnacles
$V -$ Sea Anemone and Clown fish
$VI -$ Plants and Seed dispersers
$VII -$ Plants and Pollinators
$VIII -$ Cattle egret and Grazing cattle
Commensalism $\quad\quad$ Mutualism

$Cuscuta$ is an example of

Which of the following are examples of commensalism?
$(1)$ Monarch butterfly and bird
$(2)$ Orchid and mango
$(3)$ Fish and flamingo
$(4)$ Calotropis and cattle
$(5)$ Cattle egret and grazing cattle

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

Mycorrhiza is an example of which of the following?