A farmer uses a pesticide that is not broken down. Why might top predators be most affected?
Answer and explanation
Correct answer: B. The pesticide builds up in the food chain so predators receive a high dose
- Step 1: Some chemicals are not excreted. Step 2. Each level eats many of the level below, so the concentration rises. Answer: The pesticide builds up in the food chain so predators receive a high dose. Why not the others: The chemical is not diluted or broken down.
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More Ecology questions
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