Biology 0610 · IGCSE · Food chains and food webs

Food chains and food webs — practice question

In the food chain shown below, the snake population falls to half its original size because of a viral disease. grass $\rightarrow$ locusts $\rightarrow$ snakes $\rightarrow$ eagles How does this affect the other organisms in the food chain?

  • Agrass decrease, locusts increase, eagles decrease
  • Bgrass decrease, locusts increase, eagles increase
  • Cgrass increase, locusts decrease, eagles decrease
  • Dgrass increase, locusts increase, eagles decrease

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