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8.0: Utangulizi wa usanisinuru

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    176025

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    Picha inaonyesha ramani ya dunia, rangi na viwango vya chlorophyll a juu ya ardhi na katika bahari.
    Kielelezo\(\PageIndex{1}\): Ramani hii ya dunia inaonyesha usambazaji wa dunia ya usanisinuru kama inavyoonekana kupitia chlorophyll viwango. Katika ardhi, hii inaonekana kupitia mimea ya duniani, na katika maeneo ya bahari, kupitia phytoplankton. (mikopo: mabadiliko ya kazi na SeaWIFs Project, NASA/Goddard Space Flight Center na ORBIMAGE)

    Michakato katika viumbe wote-kutoka kwa bakteria hadi kwa binadamu-inahitaji nishati. Ili kupata nishati hii, viumbe wengi hupata nishati iliyohifadhiwa kwa kula, yaani, kwa kumeza viumbe vingine. Lakini nishati iliyohifadhiwa katika chakula inatoka wapi? Nishati hii yote inaweza kufuatiliwa nyuma ya photosynthesis.