Mosses Two stages 1) protonema (develop directly from spore) | መርጌታ ይሃንስ የባህል መድሀኒት ቀማሚ

Mosses
Two stages
1) protonema (develop directly from spore)
2) leafy (develop from sec. Protonema as lateral bud)

Pteridophytes
Includes horsetail & ferns.
Used for medicinal purpose. First teresstial plants to posses vascular tissues
Main plant body is sporophyte
Homosporous + heterosporous

GYMNOSPERM
• tap roots
• naked seeds
• thick cuticle & sunken stomats also reduce water loss
• unlike pteridophytes, these have not an independent free living existence.

ANGIOSPERM
• specialised str called flowers
• divided into monocotyledons + dicotyledons
• double fertilization
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