Evolutionary Development

How developmental processes have evolved and contributed to the diversity of life forms.

Natural Selection

Explore how variation, competition, and survival shape populations over time.


Learn More →
Patterns of Selection

Directional, stabilizing, and disruptive selection and their effects on populations over time.


Learn More →
Selection Pressure

Environmental forces that influence reproductive success and drive natural selection.


Learn More →
Evolution

Learn the mechanisms and evidence behind the gradual change of species across generations.


Learn More →
Evolutionary Patterns above Species Level

Large-scale evolutionary changes including speciation, adaptive radiation, and extinction.


Learn More →
Cladistics

Study evolutionary relationships using shared characteristics and cladograms.


Learn More →
Introduction to Classification

Learn how organisms are grouped based on similarities and evolutionary history.


Learn More →
Biological Diversity

Understand the five or six biological kingdoms and their roles in Earth’s diversity of life.


Learn More →
Biodiversity of Microbes

Diversity, roles, and classification of bacteria, viruses, fungi, and protists in ecosystems.


Learn More →
Animal Classification

Explore the major animal phyla and their distinguishing features.


Learn More →
Plant Classification

Learn the major plant groups and how they are classified based on reproductive and structural traits.


Learn More →
🎯

Ready to take IJSO-style evolutionary development practice questions?

Apply your knowledge with our collection of IJSO-style evolutionary development problems.

View Evolutionary Development Practice Questions