Career Information for a Degree in ESL Teaching. Learn about the education and preparation needed to become an English as a second language (ESL) teacher. Get a quick view of the requirements as well as details about degree programs, education, job duties and licensure requirements to find out if this is the career for you.
Definition of chytrid. : any simple, microscopic, aquatic fungus (phylum Chytridiomycota) that does not typically form mycelium, that bears motile spores with a single posterior flagellum, and that is either saprophytic on decaying organic matter or parasitic especially on algae, higher plants, and the skin of amphibians (as in chytridiomycosis)
The nephridium (plural nephridia) is an invertebrate organ which occurs in pairs and performs a function similar to the vertebrate kidney.Nephridia remove metabolic wastes from an animal's body. protonephridium (proto = first) is a network of dead-end tubules lacking internal openings found in the phyla Platyhelminthes, Nemertea and Rotifera. The ends are called flame cells (if ciliated) or solenocytes (if flagellated); they function in osmoregulation and ionoregulation, respectively.