Across
- 3. Make their own food
- 7. Soil, water, air, climate, are the ______ parts of an ecosystem
- 9. Light cannot pass an object
- 10. _________ were used also as landmarks
- 12. Is made of living and non living things
- 13. Pieces of curved glass
Down
- 1. _____ uses satellites to navigate
- 2. Plants and animals are _____ parts of an ecosystem
- 4. A clear object is...
- 5. The place where a plant or animal live
- 6. Thay eat plants
- 8. They eat herbivores
- 11. Light bounces on a smooth object