A biome is an important ecosystem that extends over a wide area and is characterized by the flora and fauna that grow in it.
The Arctic regions of the world have the least biodiversity because the plants do not survive the cold and ice that cover these regions throughout the year.
The tundra regions, especially in Siberia, also do not support as much life as other regions due to the constant freezing state of the soil.
Answer:
The answer is C i believe. Because that zone is sometimes fully exposed to air, or fully concealed by water. Therefore its not a good place for the creatures to stay when they're being exposed to air and water on and off.
