Ecosystems

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Across
  1. 4. an organism that consumes, or eats, a plant or animal for energy.
  2. 7. an ecosystem in which many organisms cannot meet their needs.
  3. 9. When two or more organisms try to use the same limited resource.
  4. 12. an animal that only eats plants.
  5. 14. an animal that eats both plants and animals
  6. 16. The ability to do work. The Sun is the primary source of energy in an ecosystem
  7. 17. a green cell found in plants that absorb light to make glucose during photosynthesis.
  8. 19. All our surroundings. This includes the air, land, water, plants and animals.
  9. 20. A scientist who studies the relationship between organisms and their environments.
  10. 21. an organism that breaks down dead plants or animals and returns nutrients to the soil.
  11. 23. A community of organisms that interact with each other and their environment.
  12. 25. a living thing
  13. 26. a process that scientists use to explore observations and answer questions.
Down
  1. 1. An ecosystem in which many organisms can meet their needs.
  2. 2. the process plants use to make glucose using sunlight, air and water.
  3. 3. A diagram showing the direct path of energy from producers to consumers
  4. 5. A diagram showing interconnecting food chains that illustrate the flow of energy through an ecosystem.
  5. 6. A group of organisms that have a big effect on the balance of an ecosystem.
  6. 8. The study of how living and nonliving things are connected to each other in their natural environment.
  7. 10. a plant that creates energy through photosynthesis
  8. 11. a type of sugar, the main source of plant food for growth.
  9. 13. Nonliving components of an ecosystem, such as water, sunlight, and oxygen.
  10. 15. an animal that eats other animals
  11. 18. is an element, material or substance that has mass and takes up space. In an ecosystem, biotic and abiotic matter are recycled over and over.
  12. 22. a gas found in the atmosphere that plants absorb to create glucose during photosynthesis
  13. 24. Living components of an ecosystem, such as plants and animals.