Table 1.

Oxygen partial pressure gradients required for purely diffusive gas exchange along the length of the main dorsal tracheae (DT) in third-instar Drosophila larvae in generation 1 of the first plasticity trial and generation 7 of the first multi-generation trial

Diffusion ΔPo2 (kPa)
% Oxygen1 st Plasticity1 st Multi-generation
105.73±0.174.53±0.17
217.17±0.214.82±0.32
408.05±0.165.47±0.27