Question

All the ecosystems taken together in a geographical area form a bigger unit known as ________________.

Answer 1

Biome:

1. Different parts of the world are inhabited by different species of plants and animals.
2. The major terrestrial biotic communities of the world each comprising a characteristic array of plant and animal life, are called biomes.
3. They are the largest ecological units.
4. The biome contains many ecosystems but is defined by climate.

Final answer: All the ecosystems taken together in a geographical area form a bigger unit known as biome.