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The Living World

Short Answer Type

1. Why are living organisms classified?

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2. Why are the classification systems changing every now and then?

Millions of plants, animals, and microorganisms are found on earth, many of which are still unclassified. Scientists keep on discovering new species around the world. Some of these cannot be placed in the traditional classification system. Therefore, to classify these newly discovered species, with new characters, new systems of classification have to be devised every now and then.

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3. What different criteria would you choose to classify people that you meet often?

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4. What do we learn from identification of individuals and populations?

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Given below is the scientific name of Mango. Identify the correctly written name.

Mangifera Indica

Mangifera indica

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6. Define a taxon. Give some examples of taxa at different hierarchical levels.

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7. Can you identify the correct sequence of taxonomical categories?

(a) Species $bold rightwards arrow$ Order $bold rightwards arrow$ Phylum $bold rightwards arrow$ Kingdom
(b) Genus $bold rightwards arrow$ Species $bold rightwards arrow$ Order $bold rightwards arrow$ Kingdom
(c) Species $bold rightwards arrow$ Genus $bold rightwards arrow$ Order $bold rightwards arrow$ Phylum