Many different species of plants and animals live and work together in ecosystems. Learn more about food chains and how living things in an ecosystem rely on each other for food, and how ecosystems manage to stay in balance. Add some fun to young readers' academic routines with Aha! Academy! With everything students need to know plus brilliant biographies, amazing cross-curricular links, and inspiring career connections, this fun, fact-packed series will keep readers entertained and informed.
