Earth's Evolution Quiz

What marked the beginning of Earth's evolution?

• Appearance of modern humans

• Intense volcanic activity

• Formation of rivers

• Arrival of dinosaurs

How long did Earth's evolutionary phase (before multicellular life) last?

• 400 million years

• 400 billion years

• 700 million years

• 60 million years

Which major biological development marked the end of Earth's early evolution?

• Formation of the ozone layer

• Emergence of fish

• Development of forests

• Formation of multicellular organisms

When did the Phanerozoic Eon begin?

• 400 million years ago

• 60 million years ago

• 700 million years ago

• 1 billion years ago

What is a defining characteristic of the Phanerozoic Eon?

• Constant volcanic eruptions

• No life on land

• Development of biological diversity

• Lack of atmospheric oxygen

Which era did NOT include birds or mammals?

• First era of Phanerozoic

• Middle era of Phanerozoic

• Last era of Phanerozoic

• Cenozoic Era

What significant climate change occurred 400 million years ago?

• Ice Age began

• Earth's climate became mild

• Earth became completely arid

• Volcanoes covered most of Earth

Which group of animals appeared during the era that began 400 million years ago?

• Fish

• Dinosaurs

• Insects only

• Amphibians only

Which geological features formed during the most recent era mentioned in the slides?

• Grand Canyon and Rockies

• Andes, Himalayas, Alps, Pyrenees

• Sahara and Amazon

• Appalachian Mountains

Which species replaced dinosaurs as the dominant life form?

• Amphibians

• Birds

• Mammals

• Reptiles