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red plastid incorporated into diatoms, dinoflagellates, and coccolithophores via secondary endosymbiosis
Archaeplastidia evolutionary trends
cellulose cell wall with sporopollenin coating
dominant sporophyte phase
pollen and seeds
flowers and fruits
relatively primitive forms
motile, marine phytoplankton
most similar to ancestor of all green plants
Characteristics of streptophyta
similar shape to flagellated sperm
phragmoplast forms during cell division
pre adapted for life on land
alternation of generations
walled spores in sporangia
Characteristics of Tracheophyta
life cycle with dominant sporophytes
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