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Diversity In Living Organisms
Which organisms are called primitive and how are they different from the so-called advanced organisms?
The organisms which have ancient body design that that have not changed much over the course of time, are known as primitive or lower organism.
Advanced organisms are those who have accumulated changes and acquired their particular body designs relatively recently.
The difference between the two are :
1. Primitive organisms have simpler body design where as advanced or younger organisms have complex body design.
2. Primitive or lower organism have not changed much whereas the advanced organisms are those who have acquired their particular body designs relatively recently and possess changes.
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Explain how animals in vertebrata are classified into further subgroups.
Name the biggest animal and the tallest tree.
What is classification?
Name the branch of science which deals with classification.
Why do we classify organisms?
Give three examples of the range of variations that you see in life form around you.
What was the basis of animal classification done by Aristotle.
Why a method of classification of animals proposed by Aristotle was not accepted ? Explain with example.
What do you mean by ‘characteristics’? Explain with example.
How hierarchy of classification be built?
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