Characteristics Of Biomes Flashcards
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
During the Cretaceous period, there was an appearance of ……….
angiosperms
The evolutions of forests happened during ……
the Cretaceous period
During the Econe/Miocene Epochs there were high levels of …….
precipitation
During which period did the change of ocean circulation and global heat transport occur
Econe/Miocene period
What caused changes in ocean circulation and global heat transport
the creation of the circum-Antarctic current
During the Econe/Miocene period, there was the appearance of ………..
large mammals
When did Earth assume its modern configuration
Econe/Miocene period
When did the evolution of humans occur
Pleistocene Epoch
When did the most recent Ice Age occur
Pleistocene Epoch
Quaternary Epoch is also known as
modern Earth
Human impact on the tundra
mining of natural minerals oil drilling erosion due to traffic radioactive pollution overgrazing by caribou
Human impact on coral reefs
contamination by sewage, fertilizer, and sediment runoff
smothering due to increased amount of algae
overfishing
tourism
coral bleaching
Human impact on rainforests
logging mining oil drilling agriculture construction
Paleobotany
study of fossilized plants
What can Paleobotany determine
connections between prehistoric and modern plants
