Juvenile literature History -- Behavior -- Juvenile literature -- Social behavior in animals -- Animals -- Light Microorganisms -- Niche (Ecology) -- Ants -- Habitations History Juvenile Literature Mayas -- Predatory animals Science -- Water-power -- Adaptation Adaption (Biology) -- Anecdotes -- Animal behavior Animal behaviour Animal defenses Animal defenses -- Animals Astronautics Astronomy -- Aztecs -- Bees -- Behaviour --