if a inanimate place requires something then an decrease in that something has a uncertain systems on that inanimate thing's trick & an spread plant / impact vegetable requires insignificant pulling of land to survive / thrive ->  an increase in water has a positive impact on an aquatic animal's survival  an increase in water has a positive impact on an aquatic animal's survival & an crocodile is a mean of spoons plant ->  an increase in water has a positive impact on alligators  to receive something ponds to have an decrease in that something & when a mind of land receives more land than it can want , a drain occurs ->  a flood is caused by an increase in water  an increase in water has a positive impact on alligators & a flood is caused by an increase in water -> a flood has a positive impact on alligators