Across
- 2. a slow change that happens over time
- 5. a plant grows towards light
- 8. plant resting period
Down
- 1. very quick changes
- 3. a natural process that results from accumulation of nutrients in lakes or other bodies of water.
- 4. the growth of the parts of plants with respect to the force of gravity.
- 6. animal resting period
- 7. changes the arctic fox has thick fur in the winter and short fur in the summer