Science

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Across
  1. 4. the process in which plants use energy from the sun to change carbon dioxide and water into sugar and oxygen.
  2. 8. a community of organisms and the physical environment in which they live.
  3. 9. a reproductive structure made by seedless plants, including mosses and ferns.
  4. 10. trait or characteristics that helps an organism survive.
  5. 13. the process of moving weathered rock and soil from one place to another.
  6. 14. a living thing that gets energy by breaking down dead organisms and animal wastes.
  7. 16. a behavior that an animal doesn't begin life with but develops as a result of experience or by observing other animals.
  8. 17. the place where an organism lives and can find everything it needs to survive.
  9. 22. the transfer of pollen from the male structures to the female structures of seed plants.
  10. 23. to make more living things of the same kind.
  11. 24. the coloring, marking, or other physical appearance of an organism that helps it blend in with its surroundings.
  12. 25. an inherited behavior of an animal that helps it meet its needs.
Down
  1. 1. to go into a deep, sleeplike state for winter.
  2. 2. the part of a flowering plant that produces seeds.
  3. 3. a living thing that cannot make its own food and must eat other living things.
  4. 5. to start to grow (a seed).
  5. 6. a powder-like material that plants need to make seeds.
  6. 7. a living thing, such as a plant, that can make its own food.
  7. 11. an adaptation in which a harmless animal looks like an animal that is poisonous or tastes bad, so that predators avoid it.
  8. 12. all the organisms of the same kind that live together in an ecosystem.
  9. 15. a phase in the life cycle of many animals during which they undergo major changes in body form.
  10. 18. the way that an organism usually acts in a certain situation.
  11. 19. a series of organisms that depend on one another for food.
  12. 20. the stages that a living thing passes through as it grows and changes.
  13. 21. to travel from one place to another and back again.