Across
- 3. environment The environment compromising living organisms that interact with each other and their abiotic environment.
- 6. The study of organisms and their environment
- 7. A group of organisms of the same species living in a particular habitat.
- 9. An organism that feeds on dead plants and animals, or animal waste
- 10. Burning, such as that of fossil fuels
- 15. The layer of gases surrounding a planet or other celestial body
- 16. the complex of physical, chemical and biotic factors that act upon an organism or an ecological community and ultimately determine its form and survival.
- 19. All the organisms that live in the same habitat
- 21. An organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
- 22. The substances of the land surface; soil
- 25. An organism that gets its food by eating other organisms; an animal
- 27. The total amount of water on a planet
- 29. A living biological entity such as an animal, plant, fungus or bacteria. Anything resembling a living creature in structure, behaviour, etc.
- 30. A diagram showing the feeding relationships between organisms in the same community
Down
- 1. an animal that eats plants
- 2. A group of organisms that share many features and can be interbred to produce fertile offspring.
- 4. Fuel formed from organic material, such as peat, coal and oil
- 5. The community of organisms and their environment in an area that interacts together.
- 8. A diagram that shows the transfer of energy from the organisation by ingestion
- 11. an animal that eats an animal
- 12. Is an organism that eats other plants or animals for energy and nutrients.
- 13. an animal that eats both plants and animals
- 14. The mass of living organisms
- 17. An organism that produces its own food; for example, plants using energy transferred from light in photosynthesis to produce glucose
- 18. environment An anabiotic factor is a non-living part of an ecosystem that shapes its environment
- 20. levels A feeding level in a food chain or food web, e.g. producer, primary consumer
- 23. pyramid Is a graphical representation designed to show the biomass or bio productivity at each trophic level in a given ecosystem.
- 24. The destruction of large areas of forests of woodland
- 26. An organism that feeds on the nonliving organic matter known as detritus at the microscopic level.
- 28. The global ecosystem composed of living organisms and the abiotic factors from which they derive energy and nutrients
