Join 60,000+ competitive exam aspirants
or with email
Your Cart
SubtotalтВ╣0
TotalтВ╣0
Examoogle тАв User тАв info@examoogle.com тАв EE-2024-8821
Chapter 1 of 12 тАв Page 1 of 248ЁЯФТ Protected PDF тАв Watermarked
Join 60,000+ competitive exam aspirants
If decomposers were removed from an ecosystem, what would be the most immediate consequence?
Rapid increase in herbivore population
Decrease in sunlight reaching producers
Increased plant growth due to more dead organic matter
Accumulation of waste and dead matter, disrupting nutrient cycling
Accumulation of waste and dead matter, disrupting nutrient cycling
Decomposers, such as bacteria and fungi, are essential for breaking down complex organic molecules into inorganic nutrients like nitrogen, phosphorus, and potassium. Their removal stops the recycling of these vital elements back into the soil, causing a buildup of waste and a nutrient deficiency for producers.
Decomposers, such as bacteria and fungi, are essential for breaking down complex organic molecules into inorganic nutrients like nitrogen, phosphorus, and potassium. Their removal stops the recycling of these vital elements back into the soil, causing a buildup of waste and a nutrient deficiency for producers.
Think of decomposers as the 'garbage collectors and recycling plant' of nature; without them, the streets would be filled with trash, and the factories (plants) would run out of raw materials to make new products.
DE-COMP: Dead organic matter Exists, Compounds Only Must Process (to cycle nutrients).
C6тАЛH12тАЛO6тАЛ+6O2тАЛтЖТ6CO2тАЛ+6H2тАЛO+Energy тАФ The process of mineralization where organic carbon is converted into CO2тАЛ by decomposers.
The principle of 'Nutrient Cycling' dictates that energy flows in one direction, but matter must be conserved and recycled within an ecosystem. Decomposers facilitate the decomposition process, where complex organic compounds (like proteins and cellulose) are oxidized through saprotrophic nutrition into simpler inorganic substances. Without this breakdown, the raw materials required for primary production remain locked in dead biomass.
Decomposers function as the final link in the food chain.
They prevent the accumulation of organic debris in the ecosystem.
Soil fertility is directly dependent on the rate of decomposition.
Without decomposers, primary production would cease due to nutrient depletion.
Natural cleanup of organic waste
Restoration of soil fertility
Composting in agriculture
Biological waste water treatment
The process of converting organic nitrogen into inorganic forms like nitrates/ammonia is termed ammonification/nitrification.
Option A is wrong because herbivores would starve due to lack of plant growth. Option B is wrong as debris accumulation does not block solar radiation to the canopy. Option C is wrong because nutrients remain locked in the dead matter, making them inaccessible to plants.
D is correct тАФ The removal of decomposers halts the recycling of essential nutrients, leading to the accumulation of dead organic matter and the eventual collapse of primary productivity.
In ecology questions, remember: Energy flows linearly (and is lost as heat), whereas Matter cycles (and is conserved).
Get instant step-by-step AI explanations, full shift Previous Year Papers (SSC GD, RRB, SSC JE), and regional rank analysis on the official Examoogle App.
Free Download тАв 100K+ Aspirants