Big 5 Mass Extinctions

EX

EX

EX

EX

EX

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