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Which of the following options represents the correct order of increasing biological organization?

1. Which of the following options represents the correct order of increasing biological organization?

  1. ecosystems< communities<biomes<population
  2. population<communities<ecosystems<biomes
  3. biomes<ecosystems<communities<population
  4. population<ecosystems<communities<biomes                                                                                                                                                                                                                                                    Answer : 2 . population< communities< ecosystem<biomes 
  • Biological organization:   Biological organization in ecology refers to the hierarchical levels at which life is studied, from individual organisms to the entire biosphere. These levels help ecologists understand the interactions between organisms and their environment.
Level of Biological Organization in Ecology:

  1. Organism: a single living being (individual level).
  2. Population: a group of individuals of species living in a specific area.
  3. Community: all populations of different species living and interacting in an area.
  4. Ecosystem: includes both biotic (living organisms) and abiotic (non-living factors such as soil, water, and climate) components within a specific area.
  5. Biome: large geographic areas with similar climate, vegetation, and animal life.
  6. Biosphere: the global sum of all ecosystems, including land, water, and the atmosphere.

Order of increasing biological organization:

   Organism<Population<Communities<Ecosystem<Biome<Biosphere

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