Question

Describe two adaptations that insects with very high energy demands have to increase efficiency of their gas exchange system.

Accepted Answer

Adaptations of insects with high energy demand:

Act as reservoirs, inflated/deflated by ventilating movements of thorax and abdomen

Front	Describe two adaptations that insects with very high energy demands have to increase efficiency of their gas exchange system.
Back	Adaptations of insects with high energy demand: Mechanical ventilation of tracheal system Air pumped into system by muscular pumping movements of thorax and or abdomen Movements change volume of body - changes pressure in tubes, causing air in/out Collapsible enlarged trachea or air sacs Act as reservoirs, inflated/deflated by ventilating movements of thorax and abdomen

Air Movements Adaptations Insects High Energy System Thorax