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Across 2. Latest period of the mountain 4. Age that begins at due date of birth (2 words) 5. Period of "building blocks" 12. Out of nowhere; random 16. The act of interacting with something in the environment 19. Limitation or boundary in motor development 20. "Good" at something 21. Represents something else, especially something abstract 22. Specific to an individual 23. Period where efficiency and consistency occur 24. Bodily orientation in relation to the environment

Down 1. Period influenced by friends and family (2 words) 2. Spacial and temporal relationship between movement 3. Progress towards physical maturity 6. This period ends with independent walking and self feeding 7. Age-related, not age-_______ 8. Gathered or gained over time 9. Type of common skills specific to species 10. Opposite of typical 11. Type of skills that are unique to an individual 13. In a certain order 14. From birth to death 15. General movement 17. Basic; not advanced 18. Earliest period of the mountain