what is diversity?write the classification of animals on the basis of presence of or absence of notochord write the example of each group
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Diversity is the variations in living organisms.on the basis of classification the animals are divided into two groups mainly chordates and non chordates. The example of chordates are Pisces which includes mainly fishes like rohu, sea horse and amphibians mammalia and non chordate include
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Notochord is first or primitive begning of backbone. It appears in embryos as a small flexible ball.
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