Across
- 2. saliva digests
- 3. doesn't breakdown when you digest food
- 7. number of stages in incomplete
- 10. micronutrient
- 11. Darwin studied the shape and size of beaks of this bird.
- 13. protein digestion
- 17. the organ that secretes bile juice
- 18. movement of esophagus to move food from mouth to stomach
- 20. an organism that undergoes incomplete metamorphosis
- 21. mineral needed for strong bones and teeth
- 22. playing is an example of ___________ behavior
- 23. greenhouse effect for our planet
- 25. developed the Theory of Evolution
- 26. Is sun a limiting factor for animals in an ecosystem?
- 28. renewable source of energy
- 29. A species that no longer exists
- 30. eye color is an example for __________trait
- 31. stages of human development.
Down
- 1. process to help save a species when a habitat cannot be secured
- 4. an organism that undergoes complete metamorphosis
- 5. number of stages in complete metamorphosis.
- 6. mineral helps build red blood cells
- 8. primary cause of habitat destruction
- 9. increase in population in an area can be caused by increase in _________
- 12. non renewable source of energy
- 14. macronutrient
- 15. fixt animal in endangered species list
- 16. fat digestion
- 19. humans have _____ niche
- 24. eats both plants and animals
- 27. burning of fuel in our body to produce energy