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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
Can you identify the correct sequence of taxonomical categories?
Define and understand the following term:
Class
Define and understand the following term:
Order
Define and understand the following term:
Genus
Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.
Find the odd one out. Give reason.
sea urchin, starfish, brittle star, jellyfish
Observe the figure and answer the questions given below.
a) To which phylum these organisms belong?
b) Name the substance with which their body is covered.
c) Name their organs of locomotion.
How are organisms classified?
Corals are
Label a,b,c and d. given in Fig. 7.1 Give the function of (b)
Fill in the boxes given in Fig. 7.2 with appropriate characteristics/plant group (s)
Write names of few thallophytes. Draw a labelled diagram of Spirogyra.
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.
Paired and jointed legs are seen in phylum ______.
Which of the following ‘suffixes’ used for units of classification in plants indicates a taxonomic category of ‘family’?
The taxonomic unit ‘Phylum’ in the classification of animals is equivalent to which hierarchical level in classification of plants.
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?
