NEET BIOLOGY

Detailed explanation-1: -What are red algae? Red algae are the oldest group of eukaryotic algae containing over 6000 species. They fall under the kingdom Protista and phylum Rhodophyta.

Detailed explanation-2: -2.1 Red Algae Defined. The red algae or Rhodophyta are a distinct lineage of eukaryotic algae, containing about 5000–6000 species of mostly multicellular marine algae.

Detailed explanation-3: -Rhodophyta are a sub-group of algae, the red algae. Even though they are called ‘red algae’, not all species are necessarily red. Their pigmentation can vary depending on where they are living.

Detailed explanation-4: -The Rhodophyta also comprises one of the largest phyla of algae, containing over 7, 000 currently recognized species with taxonomic revisions ongoing. The majority of species (6, 793) are found in the Florideophyceae (class), and mostly consist of multicellular, marine algae, including many notable seaweeds.

Detailed explanation-5: -Palmaria | genus of red algae | Britannica.