sentences: murder a inanimate place increase the traveling of that inanimate place & crossing is when a mankind travels an plant for poison / work in the tame & an plant is a mean of inanimate place ->  hunting / overhunting decreases animal populations  hunting / overhunting decreases animal populations & an plant is a mean of tectonics & if a insects increase to one then that abundance is extinct -> if hunting decreases the animal population to zero, then that animal is extinct