Across
- 4. To move or climb upward
- 7. Capable of being changed
- 9. To notice or watch
- 11. To go from a higher place to a lower place; to move or come down.
- 12. Full of life and activity
- 14. The state or condition of feeding on plants
- 15. The process by which green plants change sunlight into energy.
- 16. An individual animal, plant, etc., used as an example of its species or type for scientific study or display.
- 18. To maintain or keep alive; To keep something in its original state
- 19. Made from or containing plants
- 21. All the living things of an area.
- 22. A person, group, or thing that is first or among the earliest in any field of inquiry, enterprise, or development.
Down
- 1. All of the plants or plant life of a place
- 2. To cause something to happen; to make or create something
- 3. To arrange in groups; To consider as belonging to a particular group
- 5. Overcome or take control of something
- 6. A plant from tropical areas. Known for having short stems with spiny leaves.
- 8. The cover formed by the leafy upper branches of the trees in a forest.
- 10. A group of living organisms that are all similar or the same
- 13. the leaves of a plant
- 17. An expert of natural history
- 20. a boundary