An ecological investigation comparing soil properties and plant adaptations across Nigerian terrestrial biomes revealed a vegetation zone characterized by strongly leached, highly acidic soils with poor nutrient retention, where broad-leaved evergreen trees exhibit prominent buttress roots and drip tips on their leaf blades. Which biome is being described, and what is the primary environmental factor driving these specific structural adaptations?
- Tropical Rainforest; heavy and continuous rainfall that causes intense nutrient leaching and requires rapid shed of excess surface water from leaves.Answer
- BSouthern Guinea Savanna; high seasonal temperature fluctuations that cause severe soil compaction and require deep anchor roots for drought survival.
- CMangrove Swamp Forest; permanent waterlogging and anaerobic mud that cause high acidity and necessitate specialized surface root systems for gas exchange.
- DSudan Savanna; high solar radiation that accelerates soil mineral evaporation and requires modified leaves to reduce transpiration rates.
Answer
Tropical Rainforest; heavy and continuous rainfall that causes intense nutrient leaching and requires rapid shed of excess surface water from leaves.
The correct answer identifies the Tropical Rainforest biome. High annual rainfall causes extensive leaching of soil nutrients into deeper layers, resulting in acidic, nutrient-poor topsoil. Buttress roots provide structural stability for giant trees anchored in shallow soil, while drip tips on broad leaves allow rainwater to drain quickly, preventing fungal growth and leaf damage.
Step-by-Step Solution
Key Concept
Tropical Rainforest Biome Characteristics and Structural Adaptations
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