Bryophytes (amphibians of the plant kingdom) are plants that can live on soil but are dependent on water for fertilization. The plant body of bryophytes is thallus like and attached to the substratum by unicellular or multicellular rhizoids. The male gametes produce antherozoids which are released in the water to come in contact with archegonium and form a zygote which does not undergo reduction immediately. It undergoes mitosis to form sporophyte which is attached to the gametophyte