NEET BIOLOGY

Detailed explanation-1: -Diatoms are unicellular algae, making them a type of plant-like protist found in freshwater and marine environments. Though diatoms are single-celled, they are often found in groups, and we classify them based on their shape.

Detailed explanation-2: -Some of the notable diatoms are as follows: Pinnularia is an elongated, elliptical diatom covered in a mucilaginous layer. The genus belongs to the family Pinnulariaceae, order Naviculales, class Bacillariophyceae.

Detailed explanation-3: -Plant-like protists are called algae. They include single-celled diatoms and multicellular seaweed.

Detailed explanation-4: -Diatoms are Eukaryotic and belong to the Kingdom protista. They further belong to the super group Chromalveolata and are grouped into the Strameopiles as the lineage Diatoms. They then form two phyla, Bacillariophyta and Chrysophyta. They are then divided into 2 orders in each phyla.