Life Science-Botony - I need some help

[benham1]

1. Almost all algal cells contained in the _______________can carry on photosynthesis.
2. Some ferns produce a(n)____________ that is nonvascular and aids in sexual reproduction.
3. A plant that lives through more than one growing season usually has a(n)__________that is composed of certain tough, dead cells.
4. Turgidity or water pressure causes a(n)____________to stand upright.
5. Better methods of pollination and seed protection are two reasons why ____________are most successfiul than other types of plants.
ANY help is better than what I have..

[JackBean]

3. you know, what wood is? (how are called the cells)
4. plants, stem, shoot; pick one
5. http://www.biolib.cz/en/taxon/id3179/