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: Archebacteria D: Bacteria……………….

bluegreen algae

– K: Bacteria  D: Eukarya – – K: Fungi K: Protista (Protocista)…

green,brown, red

...

algae

– – K: Plantae (Phyta) K: Animalia

D: Eukaryota K: 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