Some of you asked about matching headings to paragraphs. Read these two paragraphs and tell us suitable headings: 1 Imagine going for a walk and spotting a wild flower. Its beauty and fragrance delight you, but the name eludes you. No problem. You whip out a hand-held scanner, about the size of a mobile phone, and pop a fragment of a leaf into the device. A few seconds, and the read-out tells you that you’re looking at a pyramidal orchid. Satisfied, you continue on your way. 2 Sound far-fetched? Not at all. Scientists are currently creating a DNA barcode for every species of plant and animal on the planet. It won’t be long before everyone, from experts to amateurs, will be able to scan the world’s flora and fauna as if they were checking out groceries at a supermarket, to look up or confirm their identities. Please write below.
Posted on: Wed, 07 May 2014 13:18:32 +0000
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