How many different shapes od dilatoms species you will find in the figure below (Fig.6) slide with Diatom mix (100) Why the cells are looking like tiny pieces of glass with brown pigments?

What are 5 different examples of cold light in a bioluminescent bacteria/chemicals/etc.in a normal situation? What are 5 different examples of blue light in a bioluminescent bacteria/chemicals/etc.in a normal situation? How many  photons of light emitted by a dinoflagellate per second in it's normal/usual environement and situation? How could the amount of photons of light produced by a dinoflagellate per second differ in an unusual environement and situation? Does it change at all?

What do you mean by meiospores?

Some red algae are coralline. What do you mean by this statement?

- Chrysophyta group placed under phylum chromista according to the 6 system classification. Given the above information, please explain and state the reason for placing this organism into each one of the taxon.  Thank you!!