Across
- 4. lifespan is 20 years
- 6. response of a plant to light
- 7. a group of similar living things that can reproduce among themselves
- 8. pine its life span is about a thousand of years
- 9. structural unit of non living things
- 10. its lifespan is about 20 minutes
- 12. the structural and functional unit of a living thing
- 14. lifespan is about 45-50 years
- 15. a type of waste from plants
Down
- 1. response of roots and stems towards and against the Earth
- 2. organisms one celled organisms
- 3. its life span is about 1-4 months
- 5. a type of waste from living things other than plants
- 11. its life span is about 70-90 years
- 13. small pores in plants