bio mc

2014-12-01 7:42 am

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1. less blood flows to blood capillaries when the weather is cold? why is it not involved in temperature regulation?





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2. why is it D? can line transect be used to measure the abundance?




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3. could you please explain why is B correct while others are wrong?





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4. why is active transport not involved in A?




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5. why not C?

回答 (1)

2014-12-05 9:13 pm
✔ 最佳答案
3. could you please explain why is B correct while others are wrong?
A、蝗蟲→蛇。不可能蛇的數量大於蝗。
B、跳蚤的數量的確大於鼠。
C、魚的數量不可量大於蝦!
D、樹的數量不可能大於蚜蟲!

2014-12-02 10:47:35 補充:
5. why not C?
→因為鱝的寄生蟲被小魚吃了,小魚也得到食物,故兩者互利共生。

2014-12-02 10:51:35 補充:
4. why is active transport not involved in A?
→在台灣,根表皮(根毛)吸水是被動運輸,而吸收無機鹽是歸為主動運輸。可能選項是強調吸水而乎略了無機鹽。

2014-12-02 10:54:17 補充:
1. less blood flows to blood capillaries when the weather is cold? why is it not involved in temperature regulation?
→因為微血管的血量是被小動脈調節的,並不是微血管本身作的調節。

2014-12-05 13:13:45 補充:
1.less blood flows to blood capillaries when the weather is cold? why is it notinvolved in temperature regulation?→因為微血管的血量是被小動脈調節的,並不是微血管本身作的”調節”。→第二題請翻譯為中文,我再看看是否可回答。3.could you please explain why is B correct while others are wrong?A、蝗蟲→蛇。不可能蛇的數量大於蝗。B、跳蚤的數量的確大於鼠。C、魚的數量不可量大於蝦!D、樹的數量不可能大於蚜蟲!4.why is active transport not involved in A?→在台灣,根表皮(根毛)吸水是被動運輸,而吸收無機鹽是歸為主動運輸。可能選項是強調吸水而乎略了無機鹽。5.why not C?→因為鱝的寄生蟲被小魚吃了,小魚也得到食物,故兩者互利共生。 如有疑議請補充!我可以針對您的問題再解說。如果您不滿意本人回答,請直接說明。我一定會自行刪除回答!請不要用投票方式決定,因為這網頁很多網友是來攻擊別人用的,我不願意牽涉到這些非知識的恩怨。謝謝!
參考: 本人(教生物的)


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