Solve these clues to fill the grid.
- To cause to grow or sprout
- 3 Across
- Gas in the air that we need to breathe
- 6 Across
- The process of an individual organism growing organically
- 7 Across
- How plants make food from sunlight
- 8 Across
- The responsive adjustment of a sense organ to varying conditions (plural)
- 9 Across
- The usually underground organ that lacks buds or leaves or nodes (plural)
- 1 Down
- A heavy odorless colorless gas formed during respiration and by the decomposition of organic
- 2 Down
- Any substance that can be taken in by a green plant and used in organic synthesis (plural)
- 4 Down
- Green parts of a tree that fall in autumn
- 5 Down