Across
- 3. Long narrow island lying parallel to the mainland.
- 4. Forest paleoenvironment.
- 6. Equatorial regions.
- 8. Lake environment.
- 14. Area where a river splits and spreads out into several branches before entering the ocean.
- 17. Swamp paleoenvironment.
- 18. Body of saltwater separated from the sea by a low sandbank or coral reef.
- 19. Structural feature defines periods of drought.
- 20. Polar regions.
- 22. Color that defines high oxygen content such as a delta.
- 23. Structural feature defines water current movement.
- 24. A factor that causes changes in species diversity.
- 26. River environment.
- 29. Ancient environments.
- 30. Color that defines the presence of iron such as a marine environment.
Down
- 1. Mixture of fresh and salt water.
- 2. Visual elements in a rock such as mud cracks, cross beds, graded beds, and ripple marks.
- 5. Desert environment.
- 7. Location where freshwater meets saltwater creating brackish water.
- 9. Paleoenvironment such as a delta, river, alluvial, or flood plain.
- 10. Structural feature defines periods of flooding and water level drop.
- 11. Underwater ecosystem characterized by corals.
- 12. Color that defines a deficiency of oxygen such as rocks found in swamps.
- 13. The variety of species present.
- 15. Cone-shaped deposit of sediment at the base of a mountain.
- 16. Reef paleoenvironment.
- 21. Area along the coast where mud is deposited due to tidal activity.
- 25. Ancient climate.
- 27. Structural feature defines wind or water direction.
- 28. Beach paleoenvironment.
