Heterokontophyta - algae having chlorophyll a and usually c, and flagella of unequal lengths; terminology supersedes Chrysophyta in some classifications.
Phaeophyta - coextensive with class Phaeophyceae; in some classifications subsumed in the division Heterokontophyta.
Pheophyta .
Heterokontophyta
Arthropoda and Heterokontophyta
Arthropoda and Heterokontophyta
The other name for the brown algae is Phaeophyceae.
Kelp is in the phylum Heterokontophyta, and the class Phaeophyceae.
The phylum for diatoms is Bacillariophyta. Diatoms are a type of algae that belong to this phylum and are characterized by their unique silica cell walls.
Technically, yes. Algin- a thickening agent for pudding, ice cream, cough syrup, floor polish, and yes, toothpaste, is produced by algae from the Phylum Pheophyta, and kelp is the common species of Pheophyta. You are brushing your teeth with 2 types of algae. One- kelp, Two- diatoms- the common species of Phylum Chrystophyta, which has a cell wall made from Silicon Dioxide(Glass), and Diatoms, when dead, form Diatomaceous clay, which is a filtering agent and abrasive, and used in toothpaste.
The more than 8,000 species of diatoms are the largest group in the phylum Chrysophyta of the kingdom Protista.
An exoskeleton is an external skeleton that protects and supports the animal's body. Two phyla that have exoskeletons are Arthropoda and Heterokontophyta.
The scientific name of Diatom is Bacillariophyceae. Diatoms are unicellular algae that appears as colony shaped like filaments or ribbons, fans, zigzags, or stars.
Domain: Eukaryota Kingdom: Animalia Phylum: Polifera Sponges are their own phylum. There are a multitude of different classes, orders, families, genes, and species of sponges.