Biology 5090 · O Level · Mammalian sense organs

Mammalian sense organs — practice question

An antelope is feeding beneath a tree. It hears men calling far away. Which changes occur in the antelope’s eyes as it lifts its head to see the men?

  • Aciliary bodies contract; suspensory ligaments become taut; lenses become more convex
  • Bciliary bodies contract; suspensory ligaments become slack; lenses become less convex
  • Cciliary bodies relax; suspensory ligaments become taut; lenses become less convex
  • Dciliary bodies relax; suspensory ligaments become slack; lenses become more convex

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