What is the distinctive feature of brown , green and red algae?
2- method of fungi classification
3- Phloem sieve elements are a live while xylem cells ( eg. tracheid) are dead at maturity why?
4- Why do you think that phloem and xylem always run together ( near each other) in plant
5_Draw the 4 phyla of fungi ( Chytridiomycota, Zygomycota, Ascomycota, and Basidiomycota) with its key reproductive feature .