新托福阅读备考：Plant adaptation to the desert
了解托福阅读文章的一些背景知识，对于提高托福阅读做题准确率，拓展知识储备都很有好处，为大家带来托福阅读背景知识，希望对大家有所帮助。 Cactus adaptations. The secret to the superior endurance of cacti lies in their adaptations. Over millions of years, through natural selection, only the strongest and best adapted species survived. As you know, it is very dry in the desert. Plants that adapt to this are known as xerophytes (from xeros, dry and phyton, plant). There are plants that avoid the dry season by sprouting from seed just after the spring rain and growing very fast so that by the time the dry sea... [ 查看全文 ]专题推荐:
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