University of California
University of California, Santa Barbara/abyssal Hills
This article, published in Nature magazine, gives a detailed account of the abyssal plain feature called abyssal hills.
Other
Whitman College: Deep Sea Pages
Descriptions and pictures of creatures that live at abyssal depths and on the abyssal plains of the world ocean. Link to other sites.
PBS
Pbs Learning Media: Deep Sea Bestiary
This document from NOVA: "Into the Abyss" describes the physical and behavioral traits of some of the least-known and most unlikely creatures on Earth.
US Geological Survey
Usgs: Bathymetry of the Marshall Islands
This map details the area around the Marshall Island seamounts. Seamounts are one of many features that are found in conjunction with abyssal plains.
Varsity Tutors
Varsity Tutors: Web English Teacher: Jack London
Lesson plans, e-notes, activities, and other resources are provided for teaching students reading Jack London's The Call of the Wild and his other works.
US Navy
Office of Naval Reasearch: Ocean Floor
A comprehensive site that provides information on the characteristics of the ocean floor, continental margin and rise, deep ocean basin, and the mid-ocean ridge. A quick quiz follows at the end of this site.