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Diversity In Living Organisms
How are the criteria for deciding divisions in plants different from the criteria for deciding the subgroups among animals?
The criteria for classification of plant kingdom into divisions depend upon:
(a) differentiation of plant body components,
(b) presence of transport (conduction) tissues,
(c) ability to produce seeds, and
(d) enclouser seeds in fruits.
Animals are organisms which are eukaryotic,
multicellular and heterotrophic. Their cells
do not have cell-walls. Most animals are
mobile. Thus they have different criteria for classification - they are classified based on the
extent and type of the body design
differentiation found.
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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?
Which do you think is a more basic
characteristic for classifying
organisms?
(a) the place where they live.
(b) the kind of cells they are
made of. Why?
What is the primary characteristic on which the first division of organism is made?
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