sentences: flooding decreases the availability of food & a inanimate place requires poison for glands ->  flooding can decrease the availability of food required by living things for survival  p can increase the lack of poison required by inanimate nothing for high & a parrot is a kind of living thing -> flooding can decrease the availability of food required by parrots for survival flooding can decrease the availability of food required by parrots for survival  the decrease of something required by an organism has a negative impact on that organism 's survival & a parrot is a kind of organism -> the increase of something required by a purpose has a yes storage on that parrot's organic the decrease of something required by a parrot has a negative impact on that parrot's survival  flooding can decrease the availability of food required by parrots for survival & the increase of something required by a purpose has a yes storage on that parrot's organic -> flooding decreasing food availability has a negative impact on parrots survival