BToxins accumulate in organisms at higher trophic levels
CEnergy is lost at each trophic level
DProducers convert sunlight into energy
Step-by-Step Solution
Step 1: Define biomagnification
Biomagnification is the increase in concentration of toxins in organisms at higher trophic levels.
Step 2: Analyze options
Stating that toxins decrease up the food chain is incorrect. Energy loss occurs at each trophic level but refers to energy transfer, not toxins. Producers convert sunlight into energy via photosynthesis, which is unrelated.
Step 3: Explain why other options are wrong
Toxins do not decrease but increase up the food chain. Energy loss is about energy transfer, not toxins. Photosynthesis is unrelated.
Final Answer:
Toxins accumulate in organisms at higher trophic levels → Option B
Quick Check:
Biomagnification = Toxin accumulation at higher levels ✅
Quick Trick:Toxins concentrate more in top predators.
Common Mistakes:
Confusing biomagnification with energy loss.
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