Human papillomavirus. You need this vaccine if you are a woman age 26 years or younger or a man age 21 years or younger. Other men age 22 through 26 who want to be protected from HPV may receive it, too. Men age 22 through 26 years with a risk condition also need vaccination.
The benthic zone is the area near to the bottom of river, lake or sea. Most of the plants found there are algae and seagrasses, which are also called phytobenthos.Phytobenthos will occur more often in the superior levels of the benthic zone, since they depend on the sun for photosynthesis.ost of the plants found there are algae and seagrasses, which are also called phytobenthos. Phytobenthos will occur more often in the superior levels of the benthic zone, since they depend on the sun for photosynthesis.
This means that it could be as shallow as a few inches at its start, but may reach depths of 6,000 meters as it coincides with the abyssal plain at the bottom of the ocean. Because of the depths it can reach, the benthic zone is often characterized by low sunlight and low temperatures (Alldredge 1988).