Across
- 1. Plants expel _________________ when they perform photosynthesis.
- 3. Nutrients are transformed into ____________________.
- 4. This system moves our body: __________________.
- 5. Organisms react with environment: ____________________.
- 9. Substances that organisms don't need: ________________ products.
- 10. It can be sexual or asexual.
- 11. Animals (we humans too) detect changes in the environment through ________________ organs.
- 12. A new living organism. A kitten is a cat's __________________.
- 13. Plants obtain their own food. They have an ____________________ nutrition.
Down
- 2. The system that receives information from the senses and prepares the response: __________________.
- 6. Synonym of "eliminate".
- 7. The process through which cells obtain oxygen and nutrients and eliminate waste products: ___________________.
- 8. Animals (including human beings) have a __________________ nutrition.