Glossary- amphibian (am·phib·i·an)
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Amphibian (noun)
1. A cold-blooded, smooth-skinned vertebrate of the class Amphibia, such as a frog or salamander, that characteristically hatches as an aquatic larva with gills. The larva then transforms into an adult having air-breathing lungs.
2. An animal capable of living both on land and in water.3. An aircraft that can take off and land on either land or water.4. A tracked or wheeled vehicle that can operate both on land and in water
Different kind of Amphibans and Reptileshttp://www.astronomers.net/ga6-reptiles/amphiban-reptile-orders-poster.htm
- ecosystem
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An ecosystem is a complex set of retionship among the living resources, habitats, and residents of an area. It includes plants, trees, animals,fish, birds, micro-organisms, water, soil and people.
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- HIV
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uman Immunodeficiency Virus, more commonly known as HIV, is a very serious virus that leads to the deterioration of the body’s immune system. It is primarily associated with acquired immunodeficiency syndrome, better known as AIDS, and is a fatal viral infection.
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- tundra
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tun-dra (noun)
A treeless area between the icecap and the tree line of Arctic regions, having a permanently frozen subsoil and supporting low-growing vegetation such as lichens, mosses, and stunted shrubs.
Tundra landhttp://www.arctic.noaa.gov/detect/detection-images/land-wetlands-t1_aerial.jpg