What is the importance of the following structures in Bryophytes?
$(i)$ Rhizoids
$(ii)$ Gemmae

(N/A) $(i)$ In bryophytes,instead of true roots,special hair-like structures are present for fixation to the substratum and absorption of water and minerals; these are called rhizoids.
$(ii)$ In liverworts,small cup-shaped structures called gemma cups develop on the thallus. They contain gemmae,which are green,multicellular,asexual buds that detach from the parent body and germinate to form new individuals.