Matter and Flow of Energy of the Ecosystem

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Across
  1. 4. Simple plants, often found in water, that make their own food using sunlight.
  2. 5. Organisms, like mushrooms, that break down organic matter and help in nutrient recycling.
  3. 6. A chemical element, important for life on Earth.
  4. 7. The process by which plants make their own food using sunlight.
  5. 9. A tiny living thing, like bacteria or viruses.
  6. 10. The basic building block of matter.
  7. 11. A group of atoms bonded together.
  8. 12. Waste material from living organisms.
  9. 13. An animal that eats both plants and animals.
  10. 14. A type of carbohydrate used for energy in living things.
Down
  1. 1. A very small living organism, usually not visible to the naked eye.
  2. 2. Living or once-living material, such as plants and animals.
  3. 3. An animal that eats only other animals.
  4. 8. An animal that eats only plants.