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Great Transitions Interactive: Human Origins

Click & Learn

Examine fossil skeletons and footprints of early humans and compare them to skeletons of modern humans and chimpanzees to discover how different traits have evolved over time.
3D Scan of Tiktaalik Fossil – Humerus

3D Models

3D-scans of fossil bones of Tiktaalik, a creature with a mix of features common to fish and tetrapods.
3D Scan of Tiktaalik Fossil – Pelvis

3D Models

3D-scans of fossil bones of Tiktaalik, a creature with a mix of features common to fish and tetrapods.
3D Scan of Tiktaalik Fossil – Pectoral Fin

3D Models

3D-scans of fossil bones of Tiktaalik, a creature with a mix of features common to fish and tetrapods.
3D Scan of Tiktaalik Fossil – Body

3D Models

3D-scans of fossil bones of Tiktaalik, a creature with a mix of features common to fish and tetrapods.
3D Scan of Tiktaalik Fossil – Skull

3D Models

3D-scans of fossil bones of Tiktaalik, a creature with a mix of features common to fish and tetrapods.
Origin of Birds With Quiz

Interactive Videos

(18 min 59 sec) Embedded quiz modules test students’ understanding as they watch a short film about the evidence that showed birds descended from dinosaurs.
Comparative Anatomy of the Domestic Chicken

Click & Learn

This interactive module traces the evolutionary history of birds by comparing the bone structures of a chicken to those of other species.
How We Get Our Skin Color Interactive

Interactive Videos

(3 min 32 sec) This interactive animation about the biology of skin color provides stop points at which students can further explore the material through additional text and illustrations, videos, questions, and simple interactive widgets.
Explore Your Inner Animals

Click & Learn

This interactive explores different anatomical features of the human body and what they reveal about the evolutionary history we share with other organisms, including earlier, long-extinct species.