Biotic factors Cactus, grasshopper, scorpion, rattlesnake, rabbit Abiotic factors Air, Temperature, Humidity, water, sunlight Food chain Cactus→ rabbit→ rattle snake→ roadrunner→ coyote Grass→ grasshopper → scorpion → roadrunner→ coyote Producer: Cactus, grass Consumer: grasshopper(herbivore), scorpion(carnivore), road runner(carnivore), rattlesnake(carnivore), coyote(carnivore), hawk(carnivore), lizard(carnivore), rabbit(herbivore) Food web: Primary: rabbit, grasshopper Secondary: rattlesnake, scorpion Tertiary: roadrunner Quaternary: coyote -decomposers: Beetles, Earthworms, and Millipedes Interactions between organism Competition: Rattlesnake and coyote, scorpion roadrunner and lizard S. Mutualism: grass & rabbit S. Commensalism: cactus & grasshopper S. Parasitism: desert mistletoe and the desert willow tree