雙語(yǔ)美文賞析--植物
Plants
Plants seem to know which way is up and which way is down; besides, they seem to know right from left. If a cutting from a tree is kept alive, new shoots will grow from the end
that grew in the highest part of the tree.
There is no noticeable difference between the top and the bottom of the living stick, even under a microscope. Even so, the stick will not send out shoots from the end it regards as
bottom even if this end happens to be on top!
Scientists studying this subject further split their cuttings in the direction of length.To their surprise, they made another new discovery. A good many more buds grew on the righthand side of the split surface than on the left. They split the sticks again and found that the buds again grew on the right side.
The results of the entire study showed a 60% choice for the right side, proving that growing plants are mostly "righthanded.”
植物
植物似乎知道哪邊是上，哪邊是下；而且還好像知道左右。如果要使從樹(shù)上砍下的枝子活下去，那么新芽會(huì)從樹(shù)上最高處的`那頭發(fā)出。
這個(gè)活枝子的頭尾沒(méi)有明顯的差異。甚至在顯微鏡下也看不出來(lái)。即使如此，這個(gè)枝子也不會(huì)從當(dāng)作下頭處長(zhǎng)出芽來(lái)。既使這個(gè)頭正好是上頭，也不會(huì)。
研究這個(gè)課題的科學(xué)家們進(jìn)一步將這樹(shù)枝順著劈開(kāi)。他們很驚訝，又有了新的發(fā)現(xiàn)。被劈開(kāi)的表面上從右邊長(zhǎng)出的幼芽比左邊多得多。他們?cè)俅闻_(kāi)樹(shù)枝，幼芽又從右邊發(fā)出。
這項(xiàng)研究的結(jié)果表明，60％的植物是右邊先出芽，證明植物大部分是“右撇子”。
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