Discover the surprising biological classification of possums and kangaroos. They are distant marsupial cousins, separated by distinct evolutionary orders and families.
Understand how keratin forms both human nails and specialized hooves. Learn the functional differences between grasping tools and weight-bearing organs.
Explore the complex ecological roles of birds, from controlling pests to recycling nutrients. Understand their vital function across all levels of the food web.
Discover the specific prefix for a 4-carbon chain and master the systematic naming rules (nomenclature) of organic molecules based on length and bond type.