Montana History Chapter 1

What is the longest era lasting from 4.6 billion years ago to 544 million years ago?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

What are the remains or impressions of ancient creatures, that can be found about anywhere on earth?

• Fossils

• Dinosaurs

• Dirt

• Oil

What is an animal without a backbone?

• Invertebrate

• Fossil

• Vertebrate

• Egg

What is the era where complicated lifeforms appear in the oceans, animals such as fish and clams?

• Paleozoic

• Precambrian

• Mesozoic

• Cenozoic

What is the era in which dinosaurs appear?

• Mesozoic

• Precambrian

• Paleozoic

• Cenozoic

Who are the scientists who study fossils?

• Paleontolgists

• Geographers

• Geologist

• Dinosaurist

What is the era that runs from 65 million years ago to present?

• Cenozoic

• Precambrian

• Paleozoic

• mesozoic

What are the large animals that existed during the Cenozoic Era?

• Megafauna

• Elephants

• Megabeasts

• Microfauna

What are masses or slow-moving rivers of ice?

• Glaciers

• Ice Jams

• Icebergs

• Magma

Montana is so active with earthquakes it actually ranks what in seismic activity in the 50 states?

• 8

• 1

• 50

• 25