Fill in the blanks:

Species $A$	Species $B$	Type of Interaction	Example
$+$	$-$	$(a)$	$(b)$
$+$	$+$	$(c)$	$(d)$
$+$	$(e)$	Commensalism	$(f)$

(A) Parasitism: In this interaction,one species benefits $(+)$ while the other is harmed $(-)$.
$(b)$ Cuscuta: It is a parasitic plant that derives nutrition from the host plant.
$(c)$ Mutualism: In this interaction,both species benefit $(+)$.
$(d)$ Lichen: It represents a mutualistic relationship between algae and fungi.
$(e)$ $0$: In commensalism,one species benefits $(+)$ and the other is neither harmed nor benefited $(0)$.
$(f)$ Orchid on mango branch: The orchid (epiphyte) gets support,while the mango tree is unaffected.