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Mississippian blastoid

Mississippian blastoid

fossil fern

fossil fern

e7433e7b0d134f4242a47eefe3e50ed8.jpg 536×573 pixels

e7433e7b0d134f4242a47eefe3e50ed8.jpg 536×573 pixels

Eurypterid fossil

Eurypterid fossil

crinoid_fossil.jpg (400×400)

crinoid_fossil.jpg (400×400)

Unit 1 Lesson 3 - The Southern English Colonies

Unit 1 Lesson 3 - The Southern English Colonies

Phylum: Cyanobacteria (blue-green algae): Kingdom: Monera (classified with the bacteria), obtain their energy through photosynthesis; produce oxygen as a gas as a by-product, thought to have converted the early reducing atmosphere into an oxidizing one, which dramatically changed the composition of life forms on Earth by stimulating biodiversity and leading to the near-extinction of oxygen-intolerant organiams

Phylum: Cyanobacteria (blue-green algae): Kingdom: Monera (classified with the bacteria), obtain their energy through photosynthesis; produce oxygen as a gas as a by-product, thought to have converted the early reducing atmosphere into an oxidizing one, which dramatically changed the composition of life forms on Earth by stimulating biodiversity and leading to the near-extinction of oxygen-intolerant organiams

Paleozoic Mesozoic Cenozoic

Paleozoic Mesozoic Cenozoic

Uintacrinus fossil (a crinoid, 65 million years old); from http://selectivefocusphotography.blogspot.com/search?q=fossils

Uintacrinus fossil (a crinoid, 65 million years old); from http://selectivefocusphotography.blogspot.com/search?q=fossils

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