Exploring the Phanerozoic Eon and Its Major Eras

What marks the beginning of the Phanerozoic eon?

• The extinction of dinosaurs

• The division into three main eras

• The formation of the supercontinent Pangea

• The appearance of mammals

Which era is known as the age of ancient life?

• Mesozoic

• Proterozoic

• Cenozoic

• Paleozoic

What significant life form appeared early in the Paleozoic era?

• Birds

• Trilobites

• Mammals

• Dinosaurs

Which era is characterized as the age of reptiles?

• Paleozoic

• Mesozoic

• Cenozoic

• Neozoic

During which era did dinosaurs reach their peak?

• Hadean

• Paleozoic

• Mesozoic

• Cenozoic

What major event occurred at the end of the Mesozoic era?

• The rise of mammals

• The appearance of flowering plants

• The formation of the Alps

• The extinction of dinosaurs

Which era is often described as the age of mammals?

• Archeozoic

• Mesozoic

• Cenozoic

• Paleozoic

When did flowering plants begin to thrive?

• Mesozoic era

• Paleozoic era

• Cenozoic era

• Precambrian

What significant geological change occurred during the Cenozoic era?

• The ocean levels significantly rose

• The appearance of the first vertebrates

• The formation of the supercontinent Rodinia

• The continents moved to their modern locations

Which era saw the appearance of apes and humans?

• Paleozoic

• Neoproterozoic

• Mesozoic

• Cenozoic