1. Big 5 Mass Extinctions 4 EX 4 4 EX 4

2. 4 Cambrian Period 543 - 500 mya 4 Devonian Period 409-354 mya 4 Permian 290 - 245 mya 4 Creataceous 144 - 65 mya

3. Evolution of Plants

4. “Algae” a common name that includes organisms from 2 different Domains (3 kingdoms)

5. Where “Algae” are Found: 4 D: Archaea –K: Archebacteria D: Bacteria……………….bluegreen algae –K: Bacteria 4 D: Eukarya –K: Fungi –K: Protista (Protocista)…green,brown, red... algae –K: Plantae (Phyta) –K: Animalia

8. D: Eukaryota K: Protista (Divisions)“algae”-

9. K: Protista Div: Chlorophyta 4 Filamentous: –Oedogonium –Ulothrix Haplontic life cycle Monobiontic (n) –haploid or diploid –one or other

10. K: Protista Div: Chlorophyta –Ulva –Isomorphic –life cycle –Dibiontic haploid & diploid