Across
- 3. cone-bearing plants
- 5. The first species to colonize barren areas
- 6. is a series of more-or-less predictable events that occur in a community over time.
- 8. which type of succession takes more time, primary or secondary?
- 9. have cells with nuclei
Down
- 1. flowering plants
- 2. first land plants
- 4. is one of the basic needs for plants and is primarily needed for photosynthesis.
- 7. have cells without nuclei