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Oceans and Seas Chart
Display the uniqueness of our planet as you illustrate the ever-changing oceans, currents, bathymetry, and surface temperatures. The chart also shows the percentage of pure salts versus mineral salts.
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Oceanography Chart
Learn about continental drift, the physical properties of sea water, and more, with this highly detailed, color chart. It includes a profile of the oceans’ landscapes, illustration of ocean basin features, dimensions of the world’s major bodies of water, ocean depths, currents, and measurements of ocean trenches. Size: 39" x 29".
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Map of the Ocean Floor
Major plates, rifts, earthquake and volcanic zones, mid-ocean spreading ridges, and other tectonic features are clearly depicted with dramatic artwork that appears to be three-dimensional.
• more map posters & charts
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Mid-Atlantic Ridge Wall Chart
A full-color, detailed rendering of the landscape under the Atlantic Ocean, the poster clearly shows the mid-ocean ridge system, rift valley, divergent plate boundary, transformed faults, and volcanoes. Students can plot data and draw right on the markable/erasable Texoprint map. It comes with metal reinforced top and bottom hangers. Size: 24" x 37".
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Pacific Ocean Floor
Explore the ridges, vents, deep sea life, and terrain of the Pacific with this National Geographic physical map. Includes the Mariana Trench (the deepest place on Earth) and the Aleutian Trench. It is printed at a scale of 1 inch to every 596 miles.
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World Physical Map of the Ocean Floor
National Geographic map highlights the Earth's land and undersea forms with exquisite hand-painted relief. Two corner inset maps show the Earth's crust and world climatic zones. It is printed at a scale of 1 inch to every 379 miles.
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Hydrosphere: Water Environments Poster
Poster Text: Water is stored in the hydrosphere in areas called reservoirs. These reservoirs include the atmosphere, oceans, lakes, rivers, seas, glaciers, snowfields, and groundwater. Water is essential for life and many of these reservoirs provide water environments for living organisms. Wetlands, coral reefs and open oceans are examples of biomes in which water plays a major role. The tropical rainforest biome, which supports the majority of the Earth's biodiversity depend on rainfall to sustain its abundant life.
There are many types of watery environments. These range from freshwater ponds to salty seas, which contain three times the salt concentration of the ocean.
The largest water environment of Earth is the ocean. Oceans cover 71% of the Earth's surface and are responsible for producing about half of the world's biomass (the weight of all plants, animals, fungi, and microbes in the biosphere). Most organisms in the oceans live at the .... ocean surface. Below 25 meters there is little light to support photosynthesis for plants, which are the building blocks for the rest of the food chain.
Wetland habitats support an immense diversity of life, from tiny microscopic organisms, to reptiles, to large mammals. By definition, wetlands are lands on which water covers the soil or is present often at or near the surface of the soil. In coastal wetlands and estuaries, the salt water and tides combine to create an environment in which only salt-tolerant species (halophytes) can survive. Inland wetlands include flood plains along rivers and streams. Marshes and wet meadows are dominated by grasses and other non-woody plants or shrubs while swamps are dominated by trees.
• more Eco-Spheres posters
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Marine Biome Poster
The marine biome is the Earth's largest and is divided into three categories: oceans, intertidal zones and estuaries. Life began billions of years ago in the oceans, and nearly all life forms of Earth evolved from single-celled organisms inhabiting the oceans. Today, the marine biome is the most diverse ecosystem on our planet. Algae from the oceans is responsible for most of the oxygen we breathe and the evaporating water from the oceans provides rain for the planet.
For purpose of study, the ocean is broken into many different zones. three of the most important are the open ocean ( or plagic zone), the deep sea (or benthic zone), and the abysmal zone.
The open ocean supports the greatest amount of marine life, and is home to many species of fish and marine mammals, plankton, and some floating seaweed.
Directly underneath the open ocean is the deep sea. Untouched by sunlight, this very cold and dark area still hosts a few forms of plant life, and mostly bottom-feeding animals and organisms, including starfish, anemones, sponges and various microorganisms.
The abysmal zone is the deepest part of the ocean. Deep-sea fish have low metabolic rates and reduced skeletal systems to enable them to withstand this extremely cold and highly pressurized environment. Many species of invertebrates and fish, including creatures that glow in the dark via a process called photoluminescence, also live in the abysmal zone.
The intertidal zone is created where oceans meet land. Crabs, clams, oysters and barnacles are just a few of the organisms living here. These creatures have adapted to the incoming and outgoing tides, as well as the pounding waves.
Estuaries are the areas where saltwater meets freshwater and are found all over the world. Bays, mud flats and salt marshes are all estuaries. These areas receive plenty of sunlight and mineral deposits from rivers and streams. Therefore, they are full of life. Trees, algae, seaweed, wetland flora and various species of invertebrates (birds, reptiles and crustaceans) live in this complex ecosystem.
• freshwater biome poster
• wetlands poster
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Shells from the South Seas
Sea shells are the exoskeletons of marine animals that enclose, support and protect the animal living inside. The "South Seas" describe the Pacific Ocean south of the equator.
• more shells posters
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Aquarium Fish
An aquarium is a transparent container of water-dwelling plants or animals. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, marine mammals, and aquatic plants. The word aquarium is a combination of the Latin root aqua = water + arium = "a place for relating to".
• pets posters
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• Lewis & Clark posters
"... Your observations are to be taken with great pains & accuracy, to be entered distinctly & intelligibly for others ..." Thomas Jefferson to Meriwether Lewis
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