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 78105391246 Across 1. an organism that ingests other organic matter that is living or recently killed (8) 4. the study of relationships between living organisms and between organisms and their environment (7) 5. an organism that ingests non-living organic mater (11) 6. an organism that lives on or in non-living organic matter, secreting digestive enzymes into it and absorbing the products of digestion (10) 10. a group of populations living and interacting with each other in an area (9) Down 2. a group of organisms that can interbreed and produce fertile offspring (7) 3. a community and its abiotic environment (9) 7. the environment in which a species normally lives (7) 8. the elaborate interconnected relationships within an ecosystem based on feeding and energy transfer (4, 3) 9. an organism that synthesizes its organic molecules from simple inorganic substances (9)
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