Definitions: Communities and Ecosystems 4.0 / 5 based on 2 ratings ? BiologyEcology, ecosystems and environmental biologyInternational BaccalaureateNone Created by: Alice HaslettCreated on: 12-02-13 07:57 6108935217 Across 1. an organism that obtains organic molecules from other organisms (11) 7. the study of relationships between living organisms and between organisms and their environment (7) 8. a community and its abiotic environment (9) 10. an organism that ingests non-living organic mater (11) Down 1. the environment in which a species normally lives (7) 2. the elaborate interconnected relationships within an ecosystem based on feeding and energy transfer (4, 3) 3. an organism that synthesizes its organic molecules from simple inorganic substances (9) 5. an organism that lives on or in non-living organic matter, secreting digestive enzymes into it and absorbing the products of digestion (10) 6. an organism that ingests other organic matter that is living or recently killed (8) 9. a group of populations living and interacting with each other in an area (9)
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