•
Archeology and Anthropology
•
Animals
•
Birds
•
Endangered Species
•
Environmental Studies
•
Evolution
•
Habitats and Ecosystems
•
Heredity and Genetics
•
Marine Life
•
Plants
•
Culture and Diversity
•
Geography and Map Skills
•
Historic Figures
•
Real-World Science
•
Scientific Careers
•
Species Classification
•
Prickly Pear Cactus
Many animals in the Galápagos including finches, iguanas, doves, and tortoises feed on this plant.
