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प्रश्न
What is the difference between flora, fauna and vegetation? Eichhornia crassipes is called as an exotic species while Rauwolfia serpentina is an endemic species in India. What do these terms exotic and endemic refer to?
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उत्तर
Flora is a plant life that occurs in a particular region or time.
Fauna is the total number of animals found in a particular region or time
Vegetation is a term used for plant forms which do not include particular taxa or botanical characteristics
Exotic species is any species of a plant living in any other place except its native and endemic species which are restricted to a particular area.
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संबंधित प्रश्न
Try to collect all the currently accepted meanings for the word ‘species’. Discuss with your teacher the meaning of species in the case of higher plants and animals on one hand and bacteria on the other:
Define and understand the following term:
Genus
Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.
Name one example of the animal which shows the following characteristics:
Star-shaped body:
Which is not an aquatic animal?
Corals are
Write true (T) or false (F)
Starting from Class, Species comes before the Genus.
You are provided with the seeds of gram, wheat, rice, pumpkin, maize, and pea. Classify them whether they are monocot or dicot.
Label a,b,c and d. given in Fig. 7.1 Give the function of (b)
You are given leech, Nereis, Scolopendra, prawn and scorpion; and all have segmented body organisation. Will you classify them in one group? If no, give the important characters based on which you will separate these organisms into different groups.
Animals belonging to phylum protozoa reproduce by fission.
Name the three germ layers.
In the system of classification, which one of the following is NOT a category?
Which of the following ‘suffixes’ used for units of classification in plants indicates a taxonomic category of ‘family’?
International Code of Botanical Nomenclature (ICBN) has provided a code for classification of plants. Give hierarchy of units of classification botanists follow while classifying plants and mention different ‘Suffixes’ used for the units.
Define a taxon. What is meant by taxonomic hierarchy. Give a flow diagram from the lowest to highest category for a plant and an animal. What happens to the number of individuals and number of shared characters as we go up the taxonomical hierarchy?
