The official term is a megaflash :)
 
        
             
        
        
        
The temperature of the earth
        
                    
             
        
        
        
The two bird species have similar DNA sequences
        
                    
             
        
        
        
Hormones are called chemical
messenger of the body, which occur in various tissues where they are produce. They
occur in response to specific biochemical signals from a wide range of
regulatory systems and behavioral activities that is vital in the communication
between organs and tissues. Moreover, hormones create a cellular response by
binding to cell membrane or intercellular receptors.
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Cockroaches have legs for crawling on walls and ceilings, but grasshoppers have legs for jumping. Some cockroaches have wings for flying, but most others don't. Grasshoppers have wings for making a sound, whether it's to attract a mate or to just be annoying. Grasshoppers have a body that is split into multiple segments (more than just one), while cockroaches have only like 2 body segments. Cockroaches have barbs on their legs for a sense of touch, while grasshoppers don't. The legs of a cockroach are very sensitive though. Cockroaches can survive a nuclear explosions because the rads don't affect them. But the heat from the nuclear blast will certainly kill a human, as well as a cockroach if exposed. Obviously, grasshoppers couldn't survive a nuclear explosion. The only down side to roaches surviving a nuclear explosion is them turning into radroaches, like in the Fallout game series from the game developing company, Bethesda Game Studios! If there were a nuclear explosion, then the roaches would mutate into human head sized roaches that can actually attack a human! (this is just a theory, not scientifically proven, lol)
I hope this helps you even a little bit, have a great day.