AP BIOLOGY

Detailed explanation-1: -Mosses are Bryophytes which are nonvascular land plants. They are found in damp and shady places and lack true stem, leaves, roots, and vascular systems.

Detailed explanation-2: -Mosses and liverworts are small, primitive, non-vascular plants. They lack the conductive tissue most plants use to transport water and nutrients. Instead, moisture is absorbed directly into cells by osmosis.

Detailed explanation-3: -Chlorophytes have no vascular tissue.

Detailed explanation-4: -Mosses are non-vascular plants with about 12, 000 species classified in the Bryophyta. Unlike vascular plants, mosses lack xylem and absorb water and nutrients mainly through their leaves.

Detailed explanation-5: -They lack a vascular system both in their rhizoids and in their above-ground parts. They also lack lignin, which is a complex compound that stiffens the stems of higher land plants. This is why mosses are so soft. Their “leaves” are actually single-cell thick leaf-like appendages.