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Transcript
Ecology Unit Crossword Name __________________ Across 3. -living organism that obtains its energy from carbohydrates and other organic material. All animals and most bacteria and fungi are ________s. 9. - a gradual process of change and replacement in a community 11. - a group of organisms of the same species that live together in an area and interbreed. 14. - type of succession that begins in an area that previously did not support life 18. - _________ relationship = two different organisms live in close association with each other 20. - the predator, feeds on the other species, the prey 21. "self-feeders¨ 22. - the parasite, benefits from the other species, the host, and usually harms the host 24. - position occupied by a species, both in terms of its physical use of its habitat and its role or job within an ecological community 25. - a final, stable community in equilibrium with the environment 26. -anything that can carry out life processes independently 27. An animal that eats primarily meat (other animals). Down 1. An animal that eats both plant and animal matter. 2. - a species that colonizes an uninhabited area and that starts an ecological cycle in which many other species become established 4. food, water, shelter and space 5. CO2 + H2O C6H12O6 + O2 6. Level - one of the steps in a food chain or food pyramid; examples include producers and primary, secondary, and tertiary consumers 7. type of succession in which one community replaces another community that has been partially or totally destroyed. 8. living organisms and their abiotic surroundings they interact with 10. - C6H12O6 + O2 CO2 + H2O 12. - a group of population of different species that live in the same habitat and interact with each other 13. - the relationship between two species that attempt to use the same limited resource, such as food or water, both are negatively affected by the relationship 15. Bacteria - bacteria that convert N2 „³ NH4 16. - an organism that feeds by breaking down organic matter from dead organisms; examples include bacteria and fungi 17. -an important source of nitrogen for living systems, type of nitrogen that can be used by plants. 19. - an organism that eats other organisms 23. -organisms that are closely related and can breed to produce fertile offspring under natural conditions.