Which of the following events occurred during the Paleozoic Era?
The dominance of dinosaurs
The first appearance of land plants
The extinction of the dinosaurs
The appearance of humans
The Carboniferous Period is known for:
The first amphibians
The large-scale development of coal-forming swamps
The dominance of marine reptiles
The first flowering plants
During the Mesozoic Era, Pangea began to break apart in which period?
Triassic
Jurassic
Cretaceous
Permian
Which of the following Paleozoic periods came first?
Devonian
Silurian
Cambrian
Ordovician
The Mesozoic Era ended with the extinction of the dinosaurs at the end of the ________ period.
Triassic
Jurassic
Permian
Cretaceous
In which period did mammals first appear?
Permian
Jurassic
Triassic
Cretaceous
Which event marks the boundary between the Paleozoic and Mesozoic eras?
The Cambrian Explosion
The Great Oxygenation Event
The Permian Mass Extinction
The Cretaceous-Paleogene Extinction
The Great Oxygenation Event led to an increase in atmospheric oxygen, which significantly impacted life on Earth. During which era did this occur?
Proterozoic
Paleozoic
Mesozoic
Cenozoic
Which Paleozoic period saw the emergence of the first terrestrial arthropods?
Silurian
Cambrian
Devonian
Ordovician
During which period did fish become the dominant vertebrates in the ocean?
Silurian
Cambrian
Devonian
Ordovician
The first seed-bearing plants (gymnosperms) appeared in which period?
Devonian
Carboniferous
Permian
Silurian
Which period is characterized by the dominance of dinosaurs and the appearance of the first birds?
Cretaceous
Triassic
Permian
Jurassic
Which period saw the first appearance of flowering plants (angiosperms)?
Triassic
Jurassic
Cretaceous
Permian
'The Great Dying' event at the end of Paleozoic Era has unclear causes.
Grass first showed just before the end of the Mesozoic
When did Antarctica start to ice?
Eocene period
Neogene period
Pleistocene epoch
Holocene epoch
The category 'Carnivora' doesn't include cats and dogs.
Earth temperature plunged in Proterozoic Era.