Alternation of generations allows for both asexual and sexual reproduction.
Alternation of generation is typical of ferns and bryophyta.
Ferns have both asexual and sexual reproduction.
what have both asexual and sexual reproduction?

[a] h2o
[b] orchids
[c] humans
[d] insects
[e] fungi
[f] toads
[g] ferns
[h] amoeba