Alexander von Humboldt described for the first time
Correct answer: B. Species area relationships.
- A. Laws of limiting factor
- B. Species area relationships.
- C. Population growth equation
- D. Ecological biodiversity.
Explanation
Alexander von Humboldt described species-area relationship for the first time. He observed that within a region, species richness increases with increasing explored area, but only up to a limit.
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Ecosystems include biotic and abiotic components, food chains and webs, energy flow, nutrient cycles, populations and ecological relationships. Pollution and conservation cover air, water, soil and noise pollution, their effects on organisms, biodiversity loss, protected areas, sustainable resource use and methods for reducing environmental damage.
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