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Grade 9 Academic Science – Unit 1 Sustaining Ecosystems

Grade 9 Academic Science – Unit 1 Sustaining Ecosystems. Herbivore. What is an organism that eats only plants?. A step-by-step sequence linking organisms that feed on each other. What is a Food Chain?. Non-living factors in the ecosystem such as temperature and wind direction.

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Grade 9 Academic Science – Unit 1 Sustaining Ecosystems

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  1. Grade 9 Academic Science – Unit 1 Sustaining Ecosystems

  2. Herbivore

  3. What is an organism that eats only plants?

  4. A step-by-step sequence linking organisms that feed on each other

  5. What is a Food Chain?

  6. Non-living factors in the ecosystem such as temperature and wind direction.

  7. What is abiotic?

  8. An organism that eats both plants and meat.

  9. What is omnivore?

  10. The study of how organisms interact with each other and their physical environment.

  11. What is Ecology?

  12. CO2, H2O and N2O

  13. What are Inorganic Substances?

  14. The largest reservoir of carbon near the surface of the Earth.

  15. What is the ocean?

  16. During photosynthesis, this gas is produced.

  17. What is oxygen?

  18. These substances always contain atoms of carbon AND hydrogen, and often, oxygen and nitrogen.

  19. What are Organic Substances?

  20. During this process, green plants absorb CO2 from the atmosphere and use it to manufacture plant fibres, starches and sugars

  21. What is photosynthesis?

  22. It is the source of all energy in Earth’s ecosystems.

  23. What is the Sun?

  24. This “rule” states only 10% of the energy in one trophic level will be passed to the next trophic level.

  25. What is the Rule of Ten?

  26. It is the diagram that shows the movement of energy through trophic levels.

  27. What is a Pyramid of Energy?

  28. Biogeochemical cycle in which carbon is cycled through the lithosphere, atmosphere, hydrosphere and biosphere

  29. What is the Carbon Cycle?

  30. The place or area where an organism lives

  31. What is Habitat?

  32. An organism that CANNOT makes its own food

  33. What is a Heterotroph or Consumer?

  34. An organism that makes its own food

  35. What is an Autotroph or a Producer?

  36. Many different organisms as a measure of a healthy ecosystem.

  37. What is Diversity?

  38. A resource that can be used continuously without being completely depleted because it regenerates itself

  39. What is a Renewable Resource?

  40. It is the number of organisms an area can sustain indefinitely

  41. What is Carrying Capacity?

  42. Autotrophs or Producers (e.g., plants).

  43. What is an organism that can make its own energy?

  44. A combination of many food chains

  45. What is a Food Web?

  46. An animal that eats meat.

  47. What is a Carnivore?

  48. An organism that feeds on the dead body of other organisms and, in the process, releases nutrients to the soil and water

  49. What is a Decomposer?

  50. A factor in an ecosystem created by the presence and roles of living things

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