Question

define Bryophyta with characters

Answer 1

It is a small flowerless green plant of the division Bryophyta, which comprises the mosses and liverworts.............

CHARACTERISTICS OF BRYOPHYTES:

1)Protonema-- Filamentous, forming many buds

2)Gametophyte form-- Leafy shoot

3)Leaf arrangement-- Leaves in spirals

4)Water conducting cells-- Present in both gametophytes and sporophytes

5)Rhizoids-- Brown, multicellular

6)Gametangial position-- Apical clusters

7)Stomates-- Present on sporophyte capsule.

8)Seta-- Photosynthetic, emergent from gametophyte early in development

9)Sterile cells in capsule-- Columella

10)Capsule dehiscence--- At operculum and peristome teeth

Answer 2

Bryophytes are a group of plants that include mosses, liverworts and hornworts.
Bryophytes are nonvascular plants,they do not have conducting tissues and carry out the transport of water and nutrients via diffusion. They do not present flowers or seeds; they are small in size.Like adult amphibians, bryophytes live in the terrestrial environment but depend on water to reproduce.so they are considered to be the “amphibians of the plant world”.
In most plants, the gametophyte is small compared to the sporophyte, but in bryophytes, the gametophyte stage is much larger. The sporophyte generation is tiny.
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