Question

Biosphere consists of basic units known as

• A. Biomes
• B. Regional ecosytem
• C. Ecosystems
• D. Geographical patterns

Answer 1

Answer: (A)

Biomes

Biosphere is biologically inhabited part of earth along with its physical environment consisting of lower atmosphere, land and water bodies. It can be divided into major categories known as biomes, which is a large regional unit delimited by a specific climatic zone, having a particular major vegetation zone and its associated fauna, e.g. tundra, desert, temperate deciduous forest, tropical rainforests, the ocean.

So, the correct answer is option A.