Across
- 4. footprint, The amount of carbon dioxide and other carbon compounds emitted due to the consumption of fossil fuels by a particular person,
- 5. an organism that preys upon other organisms.
- 7. the exhalation of water vapor through the stomata.
- 8. the value of data in form of counts or numbers where each data-set has an unique numerical value associated with it.
- 9. level, the position an organism occupies in a food group.
- 11. the process of burning something.
- 13. acids, a complex organic substance present in living cell.
- 19. chain, the hierarchical series of organisms each dependent on the next as a source of food.
- 25. the ability to be maintained at a certain rate or level.
- 27. protected zones established around sensitive or critical area.
- 28. law, the description of an observed phenomenon.
- 30. a substance that dissolves a solute.
- 31. resources, a a natural resource which will replenish to replace the portion depleted by usage and consumption.
- 33. a large group of organic compounds occurring in foods and living tissues including sugars, starch and cellulose.
- 35. fuel, a natural fuel formed from the remains of living organisms.
- 37. a supposition or a system of ideas intended to explain something.
- 39. branch of science that deals with the structure of matter.
- 40. renewable resources, a natural resource that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption.
- 42. an individual animal, plant, or single celled life form.
- 44. an animal that feeds on plants.
- 45. the minor component in a solution, dissolved by the solvent.
- 46. a mixture of solvent and solute molecules.
- 47. The branch of biology that deals with the relations of organisms to one another.
Down
- 1. concern about an action aimed at protecting the environment.
- 2. the exhibit the methods or principles of science.
- 3. an animal or person that eats food of both plants and animal origin.
- 4. a quantity that does not change.
- 5. the process by which green plants and some other organisms use sunlight to create food from carbon dioxide and water.
- 6. an animal that feeds on flesh.
- 10. an educated guess based on knowledge about a topic.
- 12. a plant that makes their own food by taking sunlight and using the energy to make sugar.
- 14. the ability to be maintained at a certain rate or level.
- 15. the process by which organisms produce energy from sugar.
- 16. a chemical substance that neutralizes alkalis, some metals or corrosive liquid .
- 17. any substance containing carbon based compounds, especially produced by of derived for living organisms.
- 18. process by which green plants and some other organisms use sunlight to create food from carbon dioxide and water. population, the amount of one particular species in a particular place.
- 19. ash, a powder that is a byproduct of burning pulverized coal in electric generation power plants.
- 20. substances that react with acids.
- 21. to measure the quality of something rather tan it’s quantity.
- 22. tension, the tension of he surface film of a low=quid caused by the attraction of the particles in the surface layer by the bulk of the liquid.
- 23. a large natural or artificial lake used as a source of water supply.
- 24. the natural home or environment of an animal,plant or other organism.
- 26. caused of produced by living beings.
- 29. what you expect to happen if your hypothesis is true.
- 32. the factors refer to non-living physical and chemical elements in the ecosystem.
- 34. a well substantiated explanation of a aspect of the natural world.
- 36. living creatures that eat organisms from a different population.
- 38. an organism that decomposes organic material.
- 41. facts or statistics collected together for reference and analysis.
- 43. a complex substance that consists of amino acid residues joined by peptide bonds.