Multiple choice

An increase in the concentration of a substance that occurs in a food chain is called

  1. bioaccumulation

  2. biomagnification

  3. bioconcentration

  4. eutrophication

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Biomagnification, also known as bioamplification or biological magnification, is the increase in concentration of a substance that occurs in a food chain. It occurs as a consequence of: • Persistence (can't be broken down by environmental processes) • Food chain energetics • Low (or nonexistent) rate of internal degradation/excretion of the substance (often due to water-insolubility)