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Diversity In Living Organisms

Question
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Explain how animals in vertebrata are classified into further subgroups.

Solution

Vertebrates classified into further subgroups on the basis of simple to complex form , the structure of the organs like gills/lungs,  heart and function of the organisms .

For example, fishes have two chambered heart, amphibians and reptiles have three chambered heart where as aves and mammals have four chambered heart to keep oxygenated and deoxygenated blood separately.

Some More Questions From Diversity In Living Organisms Chapter

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?

On what basis are plants and animals put into different categories?

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