Question

NAME TWO ORGANISMS IN WHICH EXCHANGE OF GASES OCCUR BY DIFFUSION THROUGH THEIR BODY SURFACE.​

Answer 1

Answer:

Lower invertebrates like sponges, coelenterates, flatworms, etc., exchange O2 with CO2 by simple diffusion over their entire body surface. Earthworms use their moist cuticle and insects have a network of tubes (tracheal tubes) to transport atmospheric air within the body.

Answer 2

Explanation:

Lower invertebrates like sponges coelenterates, flatworms,etc..,exchange O2 with CO2 by simple diffusion over their entire body surface .