Question

yellow and brown algae are type of algae​

Answer 1

Answer:

Chrysophyta (Golden-brown algae and Diatoms) are the most abundant types of single-celled algae (approximately 100,000 different species). Pyrrophyta (Fire algae) are single-celled algae. They are found in both the oceans and in fresh water. They use flagella to move around.

Answer 2

Answer:

$Brown \: Algae \blue{(Phaeophyta)}$

Brown algae, from the phylum Phaeophyta (meaning "dusky plants"), is the most prevalent type of seaweed. Brown or yellow-brown in color, brown algae are found in the waters of both temperate or arctic climates. While not roots in the true sense, brown algae typically have root-like structures called "holdfasts" that are used to anchor the algae to a surface.

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$Yellow-green \: \: \: algae \pink{ (Xanthophyta)}$

Yellow-green algae or the Xanthophyceae are an important group of heterokont algae. Most live in fresh water, but some are found in marine and soil habitats. They vary from single-celled flagellates to simple colonial and filamentous forms.