Under favourable conditions slime moulds form
a)	Protonema	b)	Plasmodium	c)	Mycelium	d)	Fruiting bodies

(d)

Slime mould forms an aggregation called Plasmodium, which may grow and spread over several feets. During unfavourable conditions, the Plasmodium differentiates and forms fruiting bodies bearing spores at their tips. Spores are extremely resistant and survive for many years