标签：自然奇迹 相关文章
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自然百科2014年
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自然百科2014年
Aboriginal people would have lived here too. Hunting the wildlife in areas that are now deep underwater. Then the end of last ice age, ice of the poles melted and sea levels rose all around the round flooding this lowline coast. This happened nearly
自然百科2014年
Imagine all this activity, this constant even flow of life continuing for over 2,000 kilometers. It's hard to believe that such a hugh solid structure hasn't always been here. But compared with the rest of Australia, this reef is very young. -20,000
自然百科2014年
Even though, coral reefs cover less than 1% of world's oceans. They contain a quarter of all known marine life. And the Great Barrier Reef is the biggest of them all. I still vividly remember my first dive on a coral reef over 20 years ago. And the m
自然百科2014年
They respond to touch, temperature, currents, and the cycles of the sun and the moon. And their tiny movements combined to give each colony a rhythm of its own.The polyps can't build the reef alone. For this, they need parterners that are even smalle
自然百科2014年
Many of the creatures are exquisitely beautiful, but some seem straight out of science fiction, while others can kill **. And just when you think you know the reef, it changes every second, every hour, every day, and every year. It's a world of conti
自然百科2014年
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自然百科2014年
I Am Nature's Greatest Miracle by Og Mandino I am nature's greatest miracle. Since the beginning of time never has there been another with my mind, my heart, my eyes, my ears, my hands, my hair, my mouth. None that came before, none that live today,
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自然百科2014年
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自然百科2014年
During the lowest tides,the water runs off and whole sections of living coral are normally beyond the water,are exposed. The level of water on the reef top decreases dramatically,getting ever shallower,and going from a stable environment,to ever chan
自然百科2014年
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自然百科2014年
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自然百科2014年
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自然百科2014年
At night, the corals don't just hunt. When territory is at stake, whole colonies go to war with one another. Once a coral senses another is too close, it launches a barrage of stinging cells, and the enemy returns fire. It's a war of numbers, the cor
自然百科2014年
There are many endurings mysteries about the great barrier reef,particularly at night,but this is one of the more enchanting ones.Watch this.This coral is fluorescing under ultraviolet light,it's this amazing light show,and it covers pretty much the
自然百科2014年
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自然百科2014年
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自然百科2014年
A pair of noddy terns fly close together,over the island on the reef.They are two mates, reaffirming their bond. Noddies signal to each other continually during courtship,both in the air and after landing.Once in the trees,the performance changes.The
自然百科2014年