Marine Insects and the Sea-Skater Halobates (Hemiptera: Gerridae)
Although insects originated in swampy areas some 300 millions years ago, they then moved toward a terrestrial existence, evolving various physiological adaptations which allowed them to become independent of water or damp places, and to achieve dispersal though the air.
Hardened, impermeable cuticle often impregnated with lipids to cut down on water loss.
Tracheal breathing system for efficient distribution of oxygen by diffusion.
Wings for long-range aerial dispersal.
Complete metamorphosis, which may allow adults and young to exploit completely different habitats.
Surviving the Marine Environment
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