A simple introduction to food chains and webs, featuring both herbivores and carnivores and discussing energy, food production, and decomposition in various ecosystems.
Introduces biomes, showing and describing the main kinds and discussing their location, climate, and plant and animal life, as well as those developed by humans.
Introduces the life cycles of plants, insects, amphibians, reptiles, fish, birds, mammals, and humans, discussing birth, growth, parental care, and reproduction.
