6th Grade · Science · Activity · shared by Luke Morgan
Explore Quechua people's biological adaptations to high altitudes. This 6th Grade Science activity covers hemoglobin and survival in the Andes.
Case Study: Life in the High Andes
Read the following report about how different groups of people survive in the high-altitude Andes Mountains of South America.
The Andes Mountains in South America are home to millions of people living at very high altitudes. At these heights, the air is thin and contains less oxygen than at sea level. Most visitors to the Andes struggle to breathe and feel very tired. However, the Quechua people have lived in these mountains for thousands of years. Their bodies have developed a special way to handle the thin air. Scientists have discovered that Quechua people have very high levels of hemoglobin in their blood. Hemoglobin is a protein in red blood cells that carries oxygen to the rest of the body. By having more hemoglobin, their blood can grab and move more oxygen with every breath. This biological adaptation allows them to work and exercise in the mountains without getting sick. In contrast, people from low-lying areas who move to the Andes often develop thick, sticky blood because they produce too many red blood cells too quickly. This can cause health problems like mountain sickness . The Quechua people’s bodies manage this process more safely because of their genetic heritage . Their high hemoglobin levels are a stable trait passed down through many generations. This unique population trait ensures they can thrive in an environment that would be very difficult for others to survive in long-term.
📋 Student Worksheet: Case Study Analysis
Name: _________________________ Date: _____________
📖 CASE OVERVIEW
Case Title: The High-Altitude Blood of the Andes
Topic/Subject: Hemoglobin Adaptations in Mountain Populations
🔑 Key Facts Box:
1. The Andes Mountains have thin air with less oxygen than low-altitude areas.