Biomes

Which of the following statements correctly describes ‘Biomes’?

1. Biomes are categorized by the most common growth forms of plants distributed across large geographic areas.
2. The categorization of biomes also takes taxonomic relationships among organisms into account.
3. Biomes categorization relies on similarities in the morphological responses of organisms to the physical environment.
4. A Biome includes similar biotic assemblages on distant continents, indicating similar responses to similar climate conditions in different locations.

In the light of the above statements, chose the most appropriate answer from the options given below: