Front

What does the term 'extinct' mean?

Back

Describes a group of living things that are no longer living.

Front

What is a Spinosaurus?

Back

A species of dinosaur known for its sail-like structure on its back.

Front

In which eon did the extinction of dinosaurs occur?

Back

Phanerozoic.

Front

What is an Epoch in geological time?

Back

A subdivision of a geological period, such as the Paleocene.

Front

Which group of organisms did NOT first appear during the Mesozoic era?

Back

Reptiles.

Front

What are fossils?

Back

Remains or impressions of ancient organisms preserved in rock.

Front

What is the Mesozoic Era known for?

Back

The age of dinosaurs and the emergence of mammals and birds.

Front

What are flowering plants?

Back

Plants that produce flowers and seeds, first appearing in the Mesozoic era.

Front

What is the significance of the Triassic period?

Back

It is the first period of the Mesozoic Era, marking the rise of dinosaurs.

Front

What is a dinosaur?

Back

A diverse group of reptiles that lived during the Mesozoic Era.