Across
- 4. plant need carbon dioxide for _____________
- 6. woody plants used ______________ for gas exchange
- 8. ______________ plant were plant living in a damp or water
- 10. Active organism require ___________ energy supply
- 11. the process in which gas moves from high concentration to lower concentration
- 12. the element used to oxidize food
Down
- 1. the way in which organism evolve or change its way of life in order to survive
- 2. terrestrial plant have plenty of air so their stomata usually found in the ___________ of the leaves
- 3. the process of burning food to make energy
- 5. flowering plant exchange their gases through___________________
- 7. the permeable membrane must be ___________ in order for efficient gas exchange
- 9. organism living in a fixed environment or less immobile