For example, a part of the skin may be drawn out into tufts to make gills or pushed in to make lungs, thus increasing the oxygen-absorbing surface in proportion to th animal's bulk.

譬如，一部分皮肤可能被拉出形成腮或者被推进去形成肺，这样吸收氧气的表面积便以该动物的体积成比例地增加了。

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Or, if you want the professor's technical explanation, "dye sensitised solar cells with titanium oxide layers on a surface with light absorbing dye molecules adsorbed on surface which can generate electricity".

BBC: Edible edifice: Building the offices of tomorrow

First, simply by absorbing sunlight, algae floating on the surface warm the water.

ECONOMIST: Aerobiology