Question

What are the two valves of frustule in diatoms called?

Answer 1

Diatoms :

1. The aquatic and terrestrial organisms belong to the chrysophytes of Kingdom Protista.
2. Diatoms are found to be attached to solid substances in seawater on earth.
3. These organisms served as food to many animals.
4. Examples include Navicula and Pinnularia

Frustules: The cell wall of diatoms is made of silica which is referred to as frustule. The two valves of frustules are as follows:

1. Epitheca: The larger valve of frustule which overlaps with hypotheca and fits together like a soapbox.
2. Hypotheca: The smaller valve of frustule which overlaps with epitheca and fits together like a soapbox.