Understanding Fossil Birds and Island Extinctions

What is the primary focus of Helen James's research at the Smithsonian National Museum of Natural History?

• Analyzing the diet of extinct mammals

• Researching fossil birds from islands

• Studying the migration patterns of modern birds

• Investigating marine life in the Pacific Ocean

Which location is Helen James's main field site for her research on fossil birds?

• Galápagos Islands

• Caribbean Islands

• Hawaiian Islands

• Canary Islands

What scientific technique does Helen use to understand the ecology of ancient birds?

• DNA sequencing

• Fossil reconstruction

• Radiocarbon dating

• Stable isotopic analysis

What significant event does Helen James associate with the extinction of many bird species on islands?

• Human arrival

• Predator introduction

• Climate change

• Volcanic eruptions

What inspired Helen James to pursue a career in science?

• Her interest in astronomy

• Her childhood experiences in the Ozark Mountains

• Her fascination with marine biology

• Her family's history in scientific research