Pioneer species, I think.
Monosaccharides can differ from one another in: the number of carbon atoms they contain.
Monosaccharides can be divided into groups according to the number of carbon atoms in the molecules: trioses have 3-C atoms, tetroses have 4-C atoms, pentoses have 5-C atoms and hexoses have 6-C atoms. Each of these groups have different compounds, each with the same molecular formula. The bonds can be different between two monosaccharides. There is a difference in the orientation of a hydroxyl group in the ring form of monosaccharides. A glycosidic bond can lead to two possible stereoisomers at the anomeric carbon of one sugar. Also, the many hydroxyl groups of another sugar allow for several possible regioisomers.
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90% hatch and 1% survival rate up to sexual maturity
Football is indeed a really dangerous sport, and could even be considered lethal in some cases considering the large amout of head-related injuries, and this might be the negative part of the sport.
But there is a positive part, a really noticable one. Sports and the ability to play them is something many students use to enter universities since many of these people don't have the best or the required grades to enter university.
Another noticable and positive way that soprts including football affect peoples life's is by, in a really minor but existant way, reducing obesity.
Hope it helped,
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