Question

With the help of well-labelled diagrams, write a detailed account on any one of the following:

a). Soil profile

b). Food web in a grassland

31 Jan 2026
Answer :
Word Count : 643
I can provide a detailed answer with diagrams, but since I cannot directly draw in this text, I will describe the diagrams clearly so you can reproduce them. I will choose a) Soil profile for explanation. --- Soil is a fundamental component of terrestrial ecosystems, playing a critical role in plant ecology and influencing vegetation types, nutrient cycling, and habitat formation. A soil profile is a vertical section of the soil that reveals its different layers or horizons, each with distinct physical, chemical, and biological characteristics. Studying a soil profile helps ecologists understand soil fertility, water retention, and its suitability for plant growth. A typical soil profile consists of the following horizons: 1. O Horizon (Organic layer): This is the topmost layer, composed primarily of organic matter such as decomposed leaves, twigs, and dead organisms.
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