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Unit 5: The Evolutionary History of Diversity

Land plants ( kingdom ) are a diverse group that evolved from algae.
Four innovations among the kingdom Plantae are:
- Alternation of , with multicellular, dependent .
- Multicellular which produce spores.
- Multicellular which produce gametes.
- Apical in root and shoot systems.
Bryophytes lack tissue with three phyla of small herbaceous plants.
- The large gametophytes produce which fuse to yield small .
- Sporophytes produce haploid which grow to become the .
Vascular plants possess specialized vascular tissues called and .
Seedless vascular plants have life cycles with dominant and form two phyla.
- Lycophyta includes mosses, mosses, and .
- Pterophyta includes , , and ferns and their relatives.
- Seedless vascular plants grew to great heights during the period and may have led to global cooling.
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May 2, 2012 Print