After each generation of reproduction, they get smaller. Though some put them in Stramenopila or Chromista, they, along with 
After each generation of reproduction, they get smaller. Though some put them in Stramenopila or Chromista, they, along with golden algae, are in the phylum (*) Chrysophyta. Bound by the frustule, two glassy silicate walls that overlap like top and bottom of a petri plate, these protists are the leading photosynthetic producers in oceans. For 10 points— name these members of Bacillariophyta whose sediments make up a kind of earth.
After each generation of reproduction, they get smaller. Though some put them in Stramenopila or Chromista, they, along with golden algae, are in the phylum (*) Chrysophyta.
diatoms