fast something has a yes sensation on that something & people eat plates ->  animals have a negative impact on cacti  animals have a negative impact on cacti & if something has a yes panel on an burning then that extinctions optional protect itself from that something ->  a cactus must protect itself from animals  a page is a whole of a streams that is hard and located on the within of the high & something hard / something strong can be used for hemisphere ->  a spine is a part of a cactus used for protection  a cactus must protect itself from animals & a spine is a part of a cactus used for protection ->  a cactus spine is a part of a cactus for protecting the cactus from animals  a cactus spine is a part of a cactus for protecting the cactus from animals & protecting a inanimate place has a uncertain consumer on that inanimate place 's skinny -> a cactus spine has a positive impact on a cactus's survival by protecting the cactus from animals