Ready to take IJSO-style zoology practice questions?
Apply your knowledge with our collection of IJSO-style zoology problems.
View Zoology Practice QuestionsDiscover the animal kingdom — from classification and symmetry to behavior, locomotion, and body systems.
Explore how animals evolve structural, physiological, and behavioral traits to survive in diverse environments.
Learn how body symmetry and structural organization define major animal groups and influence function and movement.
Discover how animals move — from crawling and flying to swimming — using specialized structures and muscle coordination.
Explore how organisms regulate water and solute balance to maintain internal stability, from single-celled life to complex animals.
Discover the diverse strategies animals use to survive in freshwater, saltwater, and dry environments by regulating water and salt levels.
Understand how animals reproduce and develop, from fertilization to embryonic growth and birth.
Explore the stages animals pass through from birth to adulthood, including complete and incomplete metamorphosis.
Dive into how animals interact with their environment, communicate, learn, and survive through instinct and experience.
Study how animals obtain, process, and utilize food, from filter feeders to predators, and herbivores to omnivores.
Apply your knowledge with our collection of IJSO-style zoology problems.
View Zoology Practice QuestionsChallenge yourself with our collection of IJSO-style mock tests in zoology, designed to test your problem-solving skills and understanding.
View Zoology Mock Tests