Animals take oxygen from the air and exhale carbon dioxide. Plants use this carbon dioxide and release oxygen into the air. ... Photosynthesis is important to living organisms because it is plants that ultimately serve as a foundation for the food web by providing a major source of food for other living organisms.
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The enzymatic reactions of cellular respiration begin in the cytoplasm, but most of the reactions occur in the mitochondria. Cellular respiration occurs in the double-membrane organelle called the mitochondrion. The folds in the inner membrane are called cristae.
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The Sacrum is
a group of five fused vertebrae that are not individually numbered, except for the first
<span>Root hairs help a plant by soaking up water and nutrients from the soil and taking them up to the plant through the roots. Root hairs are cells at the tip of the root.</span>
