Ecology Part 1
Across
- 1. Fern spores in a structure
- 5. Plant that lives anchored to another object or plant
- 7. structures that either store food or help absorb for the tiny sporophyte
- 12. Scientist who studies fossils
- 13. plant completes its life span in one growing season or less
- 14. longest unit of time for the geologic time scale
- 16. Structure that contains the male or female reproductive structures of cycads and other gymnosperm plants
- 17. Preserved evidence of an organism
- 18. a plant structure that contains embryo and nutrients
Down
- 2. Sporophyte produces roots and a thick underground stem
- 3. Compact cluster of spore-bearing structures
- 4. plants can live for several years and usually produce flowers and seeds yearly
- 6. movement of several large plates that make up earths surface
- 8. Last hundreds of millions of years
- 9. Liverworts and classified as this
- 10. openings in the outer cell layers of leaves and some stems
- 11. plants life span of 2 years
- 12. Last tens of millions of years
- 14. Smallest units of geologic time
- 15. Cluster of sporangia