鮮果日誌櫻桃季

2013年1月10日 星期四

BBC News - Home: Shark embryos 'detect predators'

BBC News - Home
The latest stories from the Home section of the BBC News web site.
thumbnail Shark embryos 'detect predators'
Jan 10th 2013, 07:50

Embryonic bamboo sharks developing in egg cases "freeze" and stop breathing to evade predators, scientists say.

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