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.
Screen shots, also called screen captures, are just that: pictures of your Windows computer screen that you choose to take. In taking a screen shot you are copying the image on the screen so that you can paste it into something: a document, an image, a presentation, an email, or other application.