Post on 20-Dec-2015
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Big 5 Mass Extinctions
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Cambrian Period 543 - 500 mya Devonian Period 409-354 mya Permian 290 - 245 mya Creataceous 144 - 65 mya
Evolution of Plants
“Algae”a common name that includes organisms from 2
different Domains (3 kingdoms)
Where “Algae” are Found: D: Archaea
– K: ArchebacteriaD: Bacteria……………….bluegreen algae– K: Bacteria
D: Eukarya– K: Fungi– K: Protista (Protocista)…green,brown, red...
algae– K: Plantae (Phyta)– K: Animalia
D: EukaryotaK: Protista (Divisions)“algae”-
K: Protista Div: Chlorophyta
Filamentous:– Oedogonium– Ulothrix
• Haplontic life cycle• Monobiontic (n)
– haploid or diploid– one or other
K: Protista Div: Chlorophyta
– Ulva
– Isomorphic
– life cycle
– Dibiontic• haploid
• & diploid