Across
- 3. tower Geological formation
- 5. peruvian flower
- 6. Structure for the ex situ reproduction and rearing of animals
- 8. resource
- 10. alteration or degradation of the environment
- 11. Region, surroundings and circumstances
- 12. peruvian river
- 14. peruvian river
- 15. peruvian river
- 16. waste materials are reused
- 17. animal peruano
- 19. National Reserve
- 20. technology applied to living organisms
Down
- 1. Set of plants
- 2. Branch of Ecology that studies relationships
- 4. set of species in a given area
- 7. variability of living organisms
- 9. Action and effect of maintaining an ecosystem in good condition
- 13. National Reserve
- 18. National Park