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Consider the following statements:
1. Bioaccumulation is the process by which toxins enter the food web.
2. Biomagnification is the process by which toxins are passed from one trophic level to another.
3. For biomagnification to occur, the pollutant must be long lived, mobile and soluble in fat.
Which of the statements given above is/are correct?
  • a)
    1 and 2 only
  • b)
    2 and 3 only 
  • c)
    1 and 3 only
  • d)
    1, 2 and 3 
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements:1. Bioaccumulation is the process by...
Statement 1 is correct : Bioaccumulation refers to how pollutants enter the food chain and food web. Bioaccumulation occurs when an organism absorbs a substance at a rate faster than that at which the substance is lost by catabolism and excretion.
Statement 2 is correct : Biomagnification refers to the tendency of pollutants to concentrate as they move from one trophic level to the next. There is an increase in the concentration of the pollutant from one link of the food chain to the next link.
Statement 3 is correct : For biomagnification to occur the pollutant must be long lived, mobile and soluble in fat. If the pollutant is soluble in water it may be excreted out of the organism. Fat soluble pollutant gets deposited in fat tissues of the organism.
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Community Answer
Consider the following statements:1. Bioaccumulation is the process by...
Explanation:

Bioaccumulation:
- Bioaccumulation is the process by which toxins accumulate in an organism over time through the food chain.
- It occurs when an organism absorbs a substance at a rate greater than it excretes or metabolizes it.

Biomagnification:
- Biomagnification is the process by which toxins are passed from one trophic level to another in a food chain.
- As predators consume prey, the concentration of toxins increases, leading to higher concentrations in organisms at the top of the food chain.

Criteria for Biomagnification:
- For biomagnification to occur, the pollutant must be long-lived, meaning it persists in the environment for an extended period.
- The pollutant must also be mobile, allowing it to move through the environment and enter the food chain.
- Additionally, the pollutant should be soluble in fat, as many toxins are lipophilic and accumulate in fatty tissues.
Therefore, all three statements are correct as they highlight different aspects of how toxins enter the food web, pass through trophic levels, and the criteria required for biomagnification to occur.
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Consider the following statements:1. Bioaccumulation is the process by which toxins enter the food web.2. Biomagnification is the process by which toxins are passed from one trophic level to another.3. For biomagnification to occur, the pollutant must be long lived, mobile and soluble in fat.Which of the statements given above is/are correct?a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?
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