Spore → prothallus → thallus → sporangium
Male and female gamentangia → zygospores → sporangium → spores
Spore → thallus → spermatozoa + ovum → sporangium
Prothallus → spermatozoid → +egg cell → leafy plant → sporangium → spore
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The prothallus, also called the gametophyte, is formed from spores. This gametophyte bears the male and female s*x organs, the antheridia and the archegonia respectively. The male produces man-fluid which fertilises the female ovum and the fertilised oven eventually grow into a sporophyte whose sporangium produces spores.
In relation to the other options, opton D best summarises this explanation. A might also sound like the answer, but the thallus does not refer to a fern, but to any plant body having no true root or vascular systems.
how can man-fluid be produced by a plant
i was thinking its only for animals
