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Explain 2 Taxonomical Aids and their advantages . 

(1)Herbarium-It is the store house of collected plant specimens that are dried,preserved on sheet.ADVANTAGE-These sheets are labelled with information about date and place of collection,English,local and botanical names,family,collector's name etc.
(2)Zoological parks-These are the places where live wild animals are kept in protected environment under human care.ADVANTAGE-It enables us to learn about their food habits and its behaviour.

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There many kinds of taxanomical aids ...I m giving  u 3 of them.
  • Herbarium

    It is a store that houses a collection of preserved plant species. Plant specimens are preserved in forms of herbarium sheets which are prepared by drying, pressing and preserving the samples on sheets. These sheets are then arranged in their order of classification in the taxonomical hierarchy. These herbarium sheets carry all the information about the respective specimen.

  • Botanical garden

    These are gardens in which specific plants are grown and are labelled according to their taxonomy. Thus, the labels carry their scientific names and family. The main purpose of botanical gardens is to identify the plant species under consideration.

  • Museum

    Biological museums are found in schools and colleges; like the biology laboratory that we find in our schools. In these museums, plant and animal species are preserved in jars and containers with the help of appropriate preservatives. They may also be dried and preserved. Birds and larger animals are usually stuffed before preserving and insects are killed and pinned in boxes. We sometimes find skeletons of various animals in there too.
    Advantages:Global biodiversity is being lost at an unprecedented rate as a result of human activities, and decisions must be taken now to combat this trend.Taxonomy provides basic understanding about the components of biodiversity which is necessary for effective decision-making about conservation and sustainable use.Hope this helps u..

     

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two taxonomical aid are given as
  • Zoological park

These are places where animals and birds are kept in protected boundaries. An attempt is made to provide them with a habitat closest to their natural habitats. Thus, we get a chance to learn about their natural habits and behaviour. Zoological parks are open for human visits.
  • Key

This is a taxonomical aid where plants and animals are recognised based on contrasting characteristics known as keys. Two contrasting keys are generally kept as a pair, thus leading to acceptance of once and rejection of another.

Advantages:
  •  It makes the study of organism easyIt helps in understanding interrelationship among different groups of organisms

  • It help to compare and study evolution of organisms according to their hirarchy
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