Biology 0610 · IGCSE · Coordination and response

Coordination and response — practice question

A student placed a fly larva in gradients of light and temperature. They shone light at the area from one side and made one side of the area hotter than the other. They recorded the route taken by the fly larva as it moved. Which statement describes the response of the fly larva?

  • AThe fly larva does not respond to temperature or light intensity.
  • BThe fly larva moves away from a higher temperature and a higher light intensity.
  • CThe fly larva moves away from a higher temperature and towards a higher light intensity.
  • DThe fly larva moves towards a higher temperature and away from a higher light intensity.

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