Plant Evolution Trends

PLANT EVOLUTION Evolutionary Trends Bryophytes The rise of the vascular plants The rise of the seed plants

KINGDOM PLANTAE ,[object Object],[object Object],[object Object],[object Object],[object Object]

THE PHYLA ,[object Object],[object Object],[object Object],[object Object]

SETTING THE STAGE ,[object Object],[object Object],[object Object]

PIONEERS IN A NEW WORLD ,[object Object],[object Object]

ADVANTAGES AND DISADVANTAGES OF LIFE ON LAND ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

EVOLUTIONARY TRENDS IN PLANTS STRUCTURE: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ADAPTATIONS TO LAND ,[object Object],[object Object]

ADAPTATIONS TO LAND ,[object Object],[object Object],[object Object]

EVOLUTIONARY TRENDS IN REPRODUCTION: ,[object Object],[object Object],[object Object],[object Object],[object Object]

EVOLUTIONARY TRENDS IN PLANT LIFE CYCLES: ,[object Object]

HAPLOID TO DIPLOID ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

EVOLUTIONARY TREND zygote SPOROPHYTE (2 n ) GAMETOPHYTE ( n ) GREEN ALGAE BRYOPHYTE FERN GYMNOSPERM ANGIOSPERM Relative size Life span

GENERAL TREND = DECREASED SIZE, DURATION, AND PROMINENCE OF GAMETOPHYTE GENERATION RELATIVE TO SPOROPHYTE ,[object Object],[object Object],[object Object],[object Object],[object Object]

SPOROPHYTE ,[object Object],[object Object],[object Object]

LE 29-9D Polytrichum commune, hairy cap moss Sporophyte Gametophyte

Plant Evolution Trends

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