Across
- 2. excretes carbon dioxide and water vapour through small pores
- 7. the response of plant to light
- 9. the structural unit of a living thing
- 10. the cause of response
Down
- 1. touch me not plant
- 3. green plants make their own food in their green leaves
- 4. the response of the root and the stem against the earth
- 5. one-celled organisms
- 6. a group of similar living things that can reproduce among themselves
- 8. the structural unit of a non-living thing