OCEANOGRAPHY & MARINE SCIENCE

An extensive series utilizing many multiple
images to present a comprehensive and
integrated approach to the total spectrum
of marine biology and oceanography. Solid
science wonderfully detailed!

MARINE BIOMES & PACIFIC HABITATS
Details the rich variety of life forms found in diverse marine habitats including oceanic Pacific islands. 3 programs. 114 slides and guides.
EPSS-0220X SLIDES
$149.95

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SAVE OVER $52.00 ON 3 SLIDE SET BUNDLE ORDER EP #SS-0220X.........$149.95
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SURVEY OF MARINE HABITATS Slides order #SS-0820S........$49.95

Examines some of the physical features that distinguish the major types of
marine habitats, and some of the principal adaptations of organisms living in those
habitats. The role of plankton in the food chain of the oceans is considered, along with
the production cycles of various communities. 20 frames, cassette and guide. (Filmstrip
order SS-0820F..........$15.00.)

CONTENT SAMPLE: 1. The world ocean is an interconnected body of seawater that
covers 70.8 percent of the earth s surface with an average depth of close to 4,000 m (about
2 1/2 miles). The marine environment is radically different from the terrestrial, where living
organisms are generally confined to the interface between the land and the atmosphere. In
contrast the marine biome comprises the entire volume of seawater that fills the ocean basins.
Life occurs in the ocean from the surface waters to the greatest depths.

The ocean may be divided into various zones with differing characteristics and organisms.
The intertidal zone is the area along the shore that is delimited by the highest high tides and the
lowest low tides. The intertidal zone borders the perimeter of every Continent and island and
marks the transition between terrestrial and marine habitats. Where freshwater rivers and
streams flow into the ocean transitional habitats of another sort develop. Estuaries are brackish
basins in which seawater is diluted by freshwater runoff from the land. The continental shelves
are gently sloping platforms that slope seaward for an average distance of 65 km (40 miles) from
the shore. At a depth of about 130 m (425 ft.) the slope steepens sharply at the shelf break and
plunges precipitously to the ocean floor some 4,000 m or so below. The abyssal plains that cover
the ocean floor comprise nearly 30% of the earth’s surface. Elevations called rises and ridges
ascend from the abyssal plains of all major ocean basins, rising to a depth of 2 km or less below
the ocean surface. Deep trenches, some of which are nearly 11,000 m (6.8 mi.) in depth, are
distributed along the western Pacific basin.

All of these physical features define the boundaries of the ocean basins. In this brief
survey we will consider some of the physical features that distinguish the major types of marine
habitats and examine some of the principal adaptations of the organisms that live there.
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MARINE ORGANISMS OF THE PACIFIC Slides order #SS-0220........$79.95

Surveys the diverse and varied organisms found along the intertidal and subtidal
zones of the Pacific coastline, indicating the phylum to which each belongs and its
special characteristics. Coverage is very comprehensive, from sponges to killer whales.
54 frames, cassette and guide.

CONTENT SAMPLE: 29. Phylum Arthropoda. Shrimp are small crustaceans that
are an important food source for larger organisms. Notice the tail segmentation. Arthropod body
regions (head, thorax and abdomen) are fusions of segments resulting from an evolutionary
direction called tagmosis.
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PACIFIC ISLAND BIOLOGY Slides order #SS-0110S............$72.50

There are two basic island types: continental and oceanic, whose ecologies are
quite different. This carefully selected group of images surveys terrestrial, aquatic, and
submarine habitats. Beautiful color photography and succinct graphics introduce and
detail the various reefs, their formation and resulting islands. Shows fauna and flora
peculiar to each habitat: royal tern, coconut palm, Plumeria, swallowtail butterfly,
Galapagos iguana and tortoise, gecko, coconut crab, blind snake, monitor lizard, giant
clam, black sea urchin, puffer fish, nudibranchs, moray eel, gray shark, and many
others. 40 frames, cassette and guide. (Filmstrip SS-0110F......$15.00.)

CONTENT SAMPLE: 17. The Samoan Islands lie about 15 degrees off the equator
and have a relatively low rainfall (though frequent clouds because of water evaporation).
Generally, the equatorial islands have the lowest rainfall while the more polar islands have the
highest rainfall. Thus latitude is correlated with the floral complement of an island.
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~0070-028~ Walrus (Odobenus rosmarus). photo by Educational Images Ltd.

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