Diatoms are grouped under _________a)Chrysophytesb)Protozoansc)Dianofl...
Chrysophytes
Diatoms are grouped under Chrysophytes because they belong to the division Chrysophyta. Chrysophytes are a group of mostly freshwater and marine algae that are characterized by their golden-brown coloration, which is due to the presence of carotenoid pigments in their chloroplasts.
- Characteristics of Chrysophytes:
- Chrysophytes are photosynthetic organisms that contain chlorophyll a and c, as well as fucoxanthin, a type of accessory pigment.
- They have cell walls made of silica, giving them a glass-like appearance.
- Chrysophytes are unicellular or colonial organisms that can be found in various aquatic habitats, including lakes, ponds, rivers, and oceans.
- Relationship between Diatoms and Chrysophytes:
- Diatoms are a type of chrysophyte that are known for their intricate and beautiful cell walls, which are made of two overlapping halves called frustules.
- These frustules are made of silica and have intricate patterns that are used for species identification.
- Diatoms play a crucial role in aquatic ecosystems as primary producers, contributing significantly to the global carbon cycle.
In conclusion, diatoms are classified under Chrysophytes due to their shared characteristics and evolutionary history within the division Chrysophyta.