Lecture Notes -- History of Plants Bio104/download word document for ease of reading.

HISTORY OF PLANTS 470 Mill years ago Evidence sheets of moss on rocks and the edge of water Journey of evolution - to land Earth changed from tropical - to seasons (hot cold, dry, wet) Further adoption to land -climate Bryophytes <Tab/>Mosses, Liverwort, etc. Are used as examples of plants without most modern evolutionary adoption But: they are not the primitive ancestors of other plants NOTE: vascular plants came first; non …

…amp;lt;Tab/>Protect their embryos from desiccation (drying out) - surrounding them in protective structure from the adult plant b.<Tab/>Algae do not do this they are in water the will not dry out. 8.<Tab/>Plants have alteration of Generations Life Cycle The same plant Sporophyte gametophyte (Plant that makes spores)  (Plant that makes gametes) All Plant cycles follow this pattern