A piece of agricultural land can be used for growing crops, or for growing grass to raise cattle for meat, Explain why crop-growing can provide more food for human consumption than catte-raising.
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biology
2008-02-24 1:06 am
回答 (1)
2008-02-24 7:50 am
✔ 最佳答案
直譯中文:在一片農地，可以種農作物，或種草去養牛去食牛肉，請解釋為何種植農作物可比養牛提供較多食物給人類。Ans...
-Some grass may wilts before being eaten by the cattles...
-Cattles may lost energy by excretion, respiration, etc.
For EX.
1)Grass(100% Energy)--->Cattles(70% Energy)--->Human(40% Energy)
2)Crops(100% Energy)--->Human(70% Energy)
好明顯，係(1), 人可以吸收既energy係比直接食農作物既energy為少...
所以...食crops係可以吸收多d energy同可以provide俾更多既人...
bio書會十分詳細地教...可以直抄都得...
你有既就抄書入面果個解釋...=_="
收錄日期: 2021-05-02 18:15:48
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