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Question

Fill in the blanks
1. Basic component of any ecological system is the (i)___
2.  Group of individuals of the same species, which can interbreed is a (ii)___
3. A  group of interacting populations is called a (iii) ___
4. (iv)___ are ecological areas on the Earth's surface, with similar fauna and flora adapting to similar environment
 
  1. (i) Organism  
    (ii) Population 
    (iii) Community 
    (iv) Biomes
  2. (i) Population 
    (ii) biome  
    (iii) organism  
    (iv) community
  3. (i) Community
    (ii) biome
    (iii) organism
    (iv) Population
  4. (i) Biome  
    (ii) Population 
    (iii) organism  
    (iv) community


Solution

The correct option is A (i) Organism  
(ii) Population 
(iii) Community 
(iv) Biomes

An ecosystem is an integrated functional unit that consists of many successive levels of organization, which can be called the ecological hierarchy. The basic component or the lowest level in this hierarchy is the organism. An interbreeding group of organisms of the same species is called a population. A group of interacting populations forms  a community. A community and its physical environment together forms the ecosystem. When many ecosystems that are similar to each other interact with each other on a large scale, it is called a biome. Hence, Biomes are ecological areas with similar fauna and flora adapting to similar conditions.

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