Plants and animals

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Across
  1. 3. these things need food, water, shelter, air, and space to live
  2. 4. these animals have a spinal column or backbone
  3. 7. the order in which organisms depend on each other for food
  4. 8. a community of interacting organisms and their physical environments
  5. 9. the natural home of a plant, animal, or other organism
  6. 10. these things need water, sunlight, nutrients, space, and air to live
Down
  1. 1. this part of a plant supports it and transports nutrients and water to the rest of the plant
  2. 2. do not have a spinal column or backbones
  3. 5. this part of the plant produces food
  4. 6. the introduction of harmful materials into the environment
  5. 11. this type of habitat is very cold and polar bears live here