ecology

2. any of the minute pores in the epidermis of the leaf or stem of a plant
3. plant- a plant that is characterized by the presence of conducting tissue.
4. air plants, and orchids growing on tree trunks in tropical rainforests.
8. embryonic leaf in seed-bearing plants, one or more of which are the first leaves to appear from a germinating seed.
9. continuously growing horizontal underground stem which puts out lateral shoots and adventitious roots at intervals.
10. - lasting or existing for a long or apparently infinite time; enduring or continually recurring.
13. from the latin diminutive word cuticula meaning skin.
15. - taking place every other year.
17. a cluster of spore-producing receptacles on the underside of a fern frond.
18. an experiment to test your hypothesis.
19. tissue - the tissue in higher plants that constitutes the vascular system
20. - occurring once every year.

1. - a plantlike vegetative body (as of algae, fungi, or mosses) that lacks differentiation into distinct parts.
2. the cone of a pine, fir, or other conifer.
5. most immediately noticeable oaks are the dominant trees in some forests.
6. a flowering plant's unit of reproduction, capable of developing into another such plant.
7. ferns and lower plants) a receptacle in which asexual spores are formed.
11. a plant that grows on another plant but is not parasitic, such as the numerous ferns,
12. a solid or hollow object which tapers from a circular or roughly circular base to a point.
14. having a juicy or pulpy texture.
16. plant -a simple, low-growing, nonflowering plant