NEETBotanyBiological Classification
In which environments are chrysophytes typically found?
Options
- AFresh water only
- BMarine environments only
- CBoth fresh water and marine environments
- Dbrackish water
Correct answer
C. Both fresh water and marine environments
Step-by-step solution
This group includes diatoms and golden algae (desmids). They are found in fresh water as well as in marine environments. They are microscopic and float passively in water currents (plankton). Most of them are photosynthetic. In diatoms the cell walls form two thin overlapping shells, which fit together as in a soap box. The walls are embedded with silica and thus the walls are indestructible. Thus, diatoms have left behind large amount of cell wall deposits in their habitat; this accumulation over billions of years