Depending on the species of mayfly, the adult may only live long enough to transform from pupil stage, eat food, breed and then die. Sometimes, they do not even live long enough to eat for long. When a group of mayflies get together, predators like birds, spiders and other insects get together for a real feast. With millions of mayflies being born at one time, it is easy to eat most of them and still continue the cycle of life.
These days, you can take screenshots on phones running Android 4.0 or later with the press of a couple buttons. On most Android phones, you can take a screenshot by holding down the Sleep/wake button and the volume-down button simultaneously. Hold these buttons down until your screen flashes.
To capture a screen shot in iOS, simultaneously press the home button and the lock button. You will probably need to use two hands to coordinate the button presses. If you have trouble, try this: 1  Press and hold the lock/power button (the switch on the top edge of the device).