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Biological systems
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How is the endocrine system related to the lymphatic system?
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Biological systems
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What activities of humans have positive effects on the biosphere?
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Biological systems
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Choose the best definition of biosphere. a. all of the ecosystems on the planet b. all of the communities in an ecosystem c. all of the ecosystems in a biome d. all of the populations in a community
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Biological systems
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Show the link between the structure and function of the respiratory, circulatory and digestive systems, and how does diffusion take place in this?
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