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ecology : the branch of biology that deals with the relationships of different organisms to one another and to their physical surroundings
species : A group of living organisms consisting of similar individuals
population : Population is the total number of inhabitants of a particular area.
community : A community is a group of interacting species living in the same place.
ecosystem : An ecosystem is a biological community of interacting organisms and their physical environment.
abiotic : devoid of life
biotic : relates to living organisms
habitat : The natural home or environment of an organism
food chain : A series of species each dependent on the next for food
food web : A system of interlocking and independent food chains
autotroph : An organism that produces its own food
heterotroph : Organisms that eat other organisms
decomposer : An organism that feeds on and decomposes other plant or animal matter
carnivore : An a that animal that eats other animals
Omnivore : An animal that eats both animals and plant matter
Herbivore : An animal that eats only plant matter
Detritivore : An animal that feeds in dead organic material
Biodiversity : The variety of plant and animal life in the world or a particular habitat
Trophic Level : Each of several hierarchical levels in an ecosystem, consisting of organisms that share the same function in the food chain
Introduced species : A species that is not native to a particular area
Endemic Species : A species that is specific to a particular area
Commensalism : The association between two organisms in which one benefits and the other is not harmed and does not benefit
Mutualism : The association between two organisms in which both benefit from the other
Parasitism : The association between two organisms in which one benefits and the other is harmed
Interdependence : The relationship between two organisms that depend on each other
Amensalism : the relationship between two organisms in which one is harmed and the other is unaffected
Competition : The interaction between two organisms where they compete for
Predation : When one animal hunts and kills another animal for food
Photosynthesis : The process by which green plants use sunlight to convert carbon dioxide into oxygen
Cellular respiration : The process of converting oxygen into carbon dioxide
Environment : The natural world, as a whole, or a particular geographical area
Quadrat : A small area of a habitat, typically of one square metre, selected at random to use for samples
Transect : A sampling area along a straight line along which samples are taken to study the area
Sampling : To take a sample or samples of (something) for analysis
Across:2. | Population is the total number of inhabitants of a particular area. | 3. | The association between two organisms in which one benefits and the other is harmed | 5. | Organisms that eat other organisms | 7. | The natural home or environment of an organism | 14. | An ecosystem is a biological community of interacting organisms and their physical environment. | 19. | The process by which green plants use sunlight to convert carbon dioxide into oxygen | 21. | When one animal hunts and kills another animal for food | 23. | An a that animal that eats other animals | 24. | the relationship between two organisms in which one is harmed and the other is unaffected | 26. | An animal that eats only plant matter | 27. | The process of converting oxygen into carbon dioxide |
| | Down:1. | To take a sample or samples of (something) for analysis | 4. | The relationship between two organisms that depend on each other | 6. | A sampling area along a straight line along which samples are taken to study the area | 8. | An organism that produces its own food | 9. | A species that is specific to a particular area | 10. | The natural world, as a whole, or a particular geographical area | 11. | A community is a group of interacting species living in the same place. | 12. | A species that is not native to a particular area | 13. | An organism that feeds on and decomposes other plant or animal matter | 15. | A small area of a habitat, typically of one square metre, selected at random to use for samples | 16. | relates to living organisms | 17. | Each of several hierarchical levels in an ecosystem, consisting of organisms that share the same function in the food chain | 18. | A group of living organisms consisting of similar individuals | 20. | The variety of plant and animal life in the world or a particular habitat | 22. | the branch of biology that deals with the relationships of different organisms to one another and to their physical surroundings | 25. | devoid of life |
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