Multiple Choice
In which biome is native vegetation best adapted to survive long droughts?
48. Ecology
Terrestrial Biomes: Near Equator
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What is the primary reason that the 3 warmest biomes (tropical rainforests, savannas & hot deserts) are located in equatorial & subequatorial regions?
A
Less annual rainfall in this region.
B
Less vegetation in this region to absorb heat from the sun.
C
The sunlight strikes this region from a more direct and higher angle.
D
All of the above.
Verified step by step guidance1
Understand that the Earth's curvature affects how sunlight is distributed across the planet. Near the equator, sunlight strikes the Earth at a more direct angle compared to higher latitudes.
Recognize that direct sunlight means that the energy from the sun is concentrated over a smaller surface area, leading to higher temperatures.
Consider how the angle of sunlight affects the climate: in equatorial and subequatorial regions, the sun is almost directly overhead at noon throughout the year, resulting in consistently high temperatures.
Acknowledge that this direct sunlight is a primary factor in creating the warm climates of tropical rainforests, savannas, and hot deserts, as it provides the energy necessary to maintain high temperatures.
Conclude that while factors like rainfall and vegetation can influence local climates, the direct angle of sunlight is the primary reason for the warmth of these biomes.
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