Characteristics Of Biomes
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What are biomes classified by?
Climate Vegetation Geography
Natural changes
Caused by environmental factors Ex: volcanic activity, temp changes etc.
Artificial changes
Caused by human activity
What continents were in the Cambrian period
Gondwana Laurentia Siberia Baltic’s
How was the climate during the Cambrian period
Temperate global climate
What organisms were living in the Cambrian period
Algae Bacteria Marine invertebrates are prominent life forms
Were there plants during the Cambrian period
No
During the Devonian period what plates were there
Gondwana and Euramerica
What started to evolve during the Devonian period
Forests and land plants
What types of organism started to appear during the Devonian period
Vertebrates
What continent formed during the Carboniferous period
Pangaea
What type of organism evolved during the Carboniferous period
Four-legged vertebrates
During the Carboniferous period there was an increase in the number of ……….
Land based organisms
In what period did the separation of Pangaea began
Triassic period
What was the global climate like during the Triassic period
Arid and dry
What changes in the environment occurred during the Triassic period
Formation of lakes and rivers
What organisms appeared during the Triassic period
Large amphibians, ferns, and gymnosperm forests
Which period started having savanna regions
Triassic period
What period was known as the “Age of the Dinosaurs”
Jurassic period
What evolved during the Jurassic period
Large land based animals and marine vertebrates
Ferns, ginkos, cycads, and conifers appeared during which period
Jurassic
During the Jurassic period there was an appearance of …….
Mammals
During which period did the dinosaurs go extinct
Cretaceous period
The full split of Pangaea happened during the ……… period
Cretaceous