What Are the Uses and the Useful Substances of Algae?
http://www.science.ubc.ca/~botany/algae/usefulsubstances.html Fertilizers, food and medicine include the primary areas for the use of algae. 30 – Spirogyra http://www.mancol.edu/science/biology/plants_new/protoc/spiro.html A conjugation tube between adjacent strands. 31 – Division Chlorophyta http://www.mancol.edu./science/biology/plants_new/protoc/chlorop.html Evolutionary relationships in the green algae as a tool in the understanding of the Chlorophyta.