Chapter 13outlinept2

First Life ,[object Object],[object Object],[object Object],[object Object],[object Object]

2.5 b.y.a. ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object]

Precambrian Fossils ,[object Object]

Paleozoic Era: Life Explodes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Early Paleozoic History ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

North America ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object]

_________ 2.7 b.y.a ,[object Object],[object Object],[object Object]

What is the name of the 1 celled life form in the oceans? ,[object Object],[object Object],[object Object],[object Object],Plankton – 1.8 b.y.a.

Colonial organisms ,[object Object],[object Object],[object Object],[object Object]

Early Paleozoic Life ,[object Object],[object Object]

Paleozoic Era - Cambrian period ,[object Object],[object Object],[object Object],[object Object]

Paleozoic Era - Cambrian period ,[object Object]

Paleozoic Era –Ordovician 505 – 440 m.y.a. ,[object Object],[object Object]

Late Paleozoic ,[object Object]

Late Paleozoic History ,[object Object],[object Object],[object Object],[object Object],[object Object]

Late Paleozoic Life ,[object Object],[object Object],[object Object],[object Object]

_________ First primitive fish _________

Paleozoic Era – Silurian 440 – 410 m.y.a. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Paleozoic Era - Devonian Known as the AGE OF FISHES ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Lobe fin became the ancestor of _________

Chapter 13outlinept2

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Chapter 13outlinept2