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