Mesozoic Era

Name the three periods that make up the Mesozoic Era. (Separate each name using a comma, and do NOT include the word "and").

Dinosaurs lived during the Mesozoic Era.

• True
• False

This period was referred to as the "Age of Reptiles."

• Jurassic Period

• Triassic Period

• Cretaceous Period

• Permian Period

During which period did mammals first appear?

• Triassic Period

• Jurassic Period

• Cretaceous Period

• Carboniferous Period

What is a mammal?

• A mammal is a human.

• A mammal is an animal without a backbone that can control its body temperature.

• A mammal is an invertebrate that can only drink milk.

• A mammal is a vertebrate that can control its body temperature and feed milk to its young.

During which era did dinosaurs become common on land?

• Triassic Period

• Jurassic Period

• Cretaceous Period

• Permian Period

Some paleontologists believe birds evolved from dinosaurs.

• True
• False

During which period did birds begin to replace flying reptiles?

• Triassic Period

• Jurassic Period

• Cretaceous Period

• Carboniferous Period

Flowering plants first evolved during the _________ Period.

Scientists believe the Triassic Period ended with a mass extinction.

• True
• False