Diversity is the hallmark of life as the total species count range between 10 million to 200 million while biologists have so far named about 1.8 million species which can be grouped under three domains or five kingdoms. Even though there is so much of diversity we can also find remarkable unity especially at molecular and cellular levels. The universal genetic language of DNA is common to organisms as different as bacteria and animals.
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http://www.wonderwhizkids.com/index.php/biodiversity
read more.....
http://www.wonderwhizkids.com/index.php/biodiversity
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