Selective Animal Breeding: Create a New Breed
Understand how parent selection and generation-by-generation selection produce a new animal breed.
Bacteria, Fungi, and Lichens
Understand how bacteria, fungi, and lichens differ in structure, habitat, nutrition, and role in nature.
All Simulations
Animal Classification
Understand school-level animal classification: vertebrates and invertebrates, major groups, key traits, habitats, and lifestyles.
Blood Circulation: Heart and Two Loops
A clear school-level diagram of the heart, pulmonary loop, and systemic loop: follow venous and arterial blood as it moves to the lungs and internal organs.