Question

What determines the limits of a biome

• A. Temperature and rain fall
• B. Type of soil
• C. Altitude and latitude
• D. All of the above

Answer 1

Answer: (D)

All of the above

• It is mostly the climate (temperature and precipitation) in an area, that determines its biome. This is because climate limits the species of plants, that can grow in an area. In turn, the species of plants determine the kinds of animals, that live there.
• A biome's boundaries are determined by climate more than any other factor. E.g., tundra is colder and has a shorter growing season than other biomes, it has fewer kinds of vegetation.
• Towards the equator, precipitation becomes increasingly important, producing temperate communities of desert, grassland, and forest in increasing order of precipitation.
• In the tropical and subtropical biomes, which occur in the equatorial latitudes, there is a relatively smaller range of temperatures during the year, and their variation is also determined by the amount of precipitation.
• Another important factor is the altitude. Changes in vegetation occur with increasing altitude.
• Soil is an important factor as it will determine the type of vegetation and biodiversity of that area.

Thus, the correct answer is option D.