WorksheetsThe Carboniferous Periods
Total questions: 10
Worksheet time: 8mins
When was the Carboniferous?
400 billion years ago
354-290 million years ago
30,000- 7,000 years ago
4.5 billion years ago
True or false: dinosaurs ruled the Carboniferous.
True
False
During the Carboniferous, the level of _____ was significantly high in the atmosphere.
Carbon
Methane
Oxygen
Water vapor
What formed during the Carboniferous?
The Alaskan Strait.
The first atmospheric carbon dioxide.
Mississippi and Pennsylvania became states.
Most of the coal supplies we use today.
Which of these was NOT characteristic of the Carboniferous?
Plants and animals were gigantic.
Humans used coal to make fires.
Swamps and marshes were abundant.
The climate was warm and humid.
Many species of this type of organism evolved during the Carboniferous.
Sharks
Primates
Dinosaurs
Birds
The Carboniferous contains which of the following periods? Select all that apply.
Cambrian
Jurassic
Mississippian
Pennsylvanian
Devonian
During earlier geologic periods, life diversified in the seas. How was the Carboniferous different?
When people burn carbon dioxide, the Earth becomes...
Colder
Wetter
Hotter
Drier
Which of the following was a cause of the Carboniferous rainforest collapse? Select all that apply.
Glaciers covered the South pole.
The amount of oxygen in the atmosphere increased.
The weather became rainier.
Oxygen levels fell.
