The surface zone has the ocean's least dense water and represents approximately 2% of the total volume of ocean water. The surface zone usually ranges between depths of 500 feet to 3,300 feet below ocean surface, but this can vary a great deal.
A hypha (plural hyphae, from Greek á½ÏÎ®, huphá¸, âwebâ) is a long, branching filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium. Yeasts are unicellular fungi that do not grow as hyphae.
Hyphae is plural for the word hypha. Hyphae are the filaments of  the branches of the mycelium or vegetative part of a fungus. 1 person found this useful. Edit.yphae is plural for the word hypha. Hyphae are the filaments of  the branches of the mycelium or vegetative part of a fungus. 1 person found this useful. Edit.