How does plant and animals depends on each other

Animals need to eat plants so that predators can eat the animals who eat plants, they depend on each other to be links in the food chain for example some animals eat plants and others eat animals that eat plants on top of that plants produce oxygen for animals and animals produce co2 for the plants

Animals need plants for food if they are wild and plants use animal dropings as dirt to grow

Long term continuous groundwater monitoring, especially with warning systems and anthropic activity monitors

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