Animals without backbones hid from each other or fell down. Clamasaurs and oysterettes appeared as appetizers. Then came the sponges, which sucked up about ten percent of all life. Hundreds of years later, in the Late Devouring period, fish became obnoxious. Trilobites, chiggerbites and mosquitoes collided aimlessly in the dense gas. Finally, edible plants sprang up in rows, giving birth to generations of insecticides and other small, dying creatures.