BI-1984
Energy losses in food chains
Biology · Secondary 4 · Medium · Energy losses in food chains
A farmer sprays insecticide on his crops. Over time, the concentration of insecticide in the tissues of hawks that feed on many small birds from the field increases greatly. Which process best explains this increase?
- Bioamplification of the insecticide along the food chain
- Decomposition of the insecticide by hawks
- Respiration of the small birds
- Increased photosynthesis in the crops
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