Don't cut down trees and use metal instead of plastic
CAM plants conserve water by closing their stomata during the day.
without them the ecosystem will become imbalanced
A plant's guard cells close up the stomata, which is a pore, which in turn does not allow water to exit the plant.
Without plants, herbivores would die out. Herbivores being cattle, sheep, horses ect. Vegetables, gone. meat, gone. the world would soon die of hunger. Hope that helped the human race! ^-^