1. The plants belonging to pteridophytes do not produce seeds whereas those belonging to phanerogams produce seeds.

    The plants belonging to pteridophytes do not produce seeds whereas those belonging to phanerogams produce seeds.

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  2. In the hierarchy of classification, species will have the smallest number of organisms with a maximum number of characteristics in common and kingdom will have the largest number of organisms.

    In the hierarchy of classification, species will have the smallest number of organisms with a maximum number of characteristics in common and kingdom will have the largest number of organisms.

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  3. The organisms which do not possess well defined nucleus, organelles and multicellular body design are grouped under the kingdom Monera, e.g., Archaebacteria and Bacteria organisms of both groups (= subkingdoms) have prokaryotic organisation. The organisms which are unicellular and eukaryotic are groRead more

    The organisms which do not possess well defined nucleus, organelles and multicellular body design are grouped under the kingdom Monera, e.g., Archaebacteria and Bacteria organisms of both groups (= subkingdoms) have prokaryotic organisation. The organisms which are unicellular and eukaryotic are grouped under the kingdom Protista

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  4. Yes. The complex organisms are comparatively more advanced as compared to simple organisms. It is because the complexity in organisation of organisms has increased over evolutionary time.

    Yes. The complex organisms are comparatively more advanced as compared to simple organisms. It is because the complexity in organisation of organisms has increased over evolutionary time.

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  5. The organisms having characteristics that came into existence earlier are referred to as "primitive" and the organisms having characteristic that have come into existence later on are called, 'advanced'. For example, unicellular prokaryotic bacteria are primitive and multicellular eukaryotic MammaliRead more

    The organisms having characteristics that came into existence earlier are referred to as “primitive” and the organisms having characteristic that have come into existence later on are called, ‘advanced’. For example, unicellular prokaryotic bacteria are primitive and multicellular eukaryotic Mammalia are advanced. Likewise, algae are primitive plants and angiosperms are advanced plants. Fishes are primitive vertebrates and birds are advanced vertebrates.

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