Question

from where the names of the following are derived
1.Red Sea 2.Protozoa?

Answer 1

red sea - ertharean sea
protozoa - protozan

Answer 2

Answer:

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1) The Red Sea's name is a direct translation of its ancient Greek name, Erythra Thalassa. However, only European languages include any mention of "red." In Hebrew it is called Yam Suph, or Sea of Reeds, most likely due to the reeds of the Gulf of Suez, and in Egypt it is called "Green Space."

The Red Sea is the saltiest sea of all the seas that connect to the ocean without even one river meeting the sea.

A popular hypotheses about the origins of the Red Sea's name is that it contains a cyanobacteria called Trichodesmium erythraeum, which turns the normally blue-green water a reddish-brown.

2) Protozoa (also protozoan, plural protozoans) is an informal term for a group of single-celled eukaryotes, either free-living or parasitic, which feed on organic matter such as other microorganisms or organic tissues and debris.Historically, protozoans were regarded as "one-celled animals", because they often possess animal-like behaviours, such as motility and predation, and lack a cell wall, as found in plants and many algae