Colonial green algae held together in a secretion of gelatinous material, resembling hollow ball Desmids a large group of freshwater green algae Diatoms A unicellular photosynthetic alga with a unique glassy cell wall containing silica diatomaceous ...
Historically the Gulf of Aden was known as "The Gulf of Berbera", named after the ancient Somali port city of Berbera on the south side of the gulf.[1][2] However as the city of Aden grew during the colonial era, the name of "Gulf of Aden" was popularised. The Bight of Benin ...