A Study of the Effects of pH on Earthworms (763 words, 4 pages)
Affects of PH on Earthworms IntroductionEarthworms are made up of segmented bodies, which pull and contract to help them move around and have a closed circulatory system (Fonte). Earthworms also utilize diffusion, which occurs through their skin to intake oxygen (Shan). Due to this process a worm breathes in whatever ...
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