This activity investigates the marine iguanas of San Cristóbal and how and why there are 2 distinct populations from one common ancestor.
Learning objectives
- Science: Understand the process of heredity.
- Explain how variation between species can drive natural selection.
- Understand how environmental changes can lead to changes in species.
Students' outcomes
- To understand and explain how the San Cristóbal iguanas became physically and genetically two separate species.