2. Group the words. Natural Phenomena People Wildlife Habitats Ecology Weather
Sunlight, climatic changes, plain, clear, monarch, reptiles, rainbow, ruler, wet, poison, insects, shower, misty, ozone layer, savannas, rainstorm, picnicker, changeable, coast, waste, mammals, dump, area, pigeons, disaster, weatherman, cool, residence, pollution, cloudy, meadow, valley.