Your SlideShare is downloading. ×
Earth science 13.2
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Earth science 13.2

492

Published on

Published in: Education, Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
492
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
4
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. 13.2 Paleozoic Era: Life Explodes
  • 2. Gondwana• Late Paleozoic continent that formed the southern portion of Pangea, consisting of all or parts of present- day South America, Africa, Australia, India, and Antarctica
  • 3. Laurasia• The continental mass that formed the northern portion of Pangea, consisting of present-day North America and Eurasia.
  • 4. Key Concept• Following the long Precambrian, the most recent 540 million years of Earth’s history are divided into three eras: Paleozoic, Mesozoic, and Cenozoic
  • 5. Key Concept• During the Cambrian, Ordovician, and Silurian periods, the vast southern continent of Gondwana encompassed five of today’s continents ( South America, Africa, Australia, Antarctica, and parts of Asia)
  • 6. Key Concept• Life in early Paleozoic time was restricted to the seas.
  • 7. Key concept• By the end of the Paleozoic, all the continents had fused into supercontinent of Pangea.
  • 8. Key Concept• Some 400 million years ago, plants that had adapted to survive at the water’s edge began to move inland, becoming land plants.
  • 9. Key Concept• The amphibians rapidly diversified because they had minimal competition from other land dwellers.

×