What is a wetland? Wetlands are areas that are inundated by water cyclically‚ intermittently or permanently and can have fresh‚ brackish or salt water. The main wetland types include swamps‚ marshes‚ bogs‚ and fens. Wetlands are the link between land and water and are some of the most productive ecosystems in the world. Depending on the type of wetland‚ it may be filled mostly with trees‚ grasses‚ shrubs or moss. An area doesn’t need to be permanently wet to qualify as a wetland. It just needs to
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extensions of their backbones and broad ribs that expanded and grew together to form a complete shell that offered protection at every stage of its evolution‚ even when the bony component of the shell was not complete. This is supported by fossils of the freshwater Odontochelys semitestacea or "half-shelled turtle with teeth"‚ from the late Triassic‚ which have been found near Guangling in south-west China. Odontochelys displays a complete bony plastron and an incomplete carapace‚ similar to an early stage
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following terms and abbreviations are used throughout the entry: Acidification - the lowering of soil and water pH due to acid precipitation and deposition usually through precipitation; this process disrupts ecosystem nutrient flows and may kill freshwater fish and plants dependent on more neutral or alkaline conditions (see acid rain). Acid rain - characterized as containing harmful levels of sulfur dioxide or nitrogen oxide; acid rain is damaging and potentially deadly to the earth’s fragile
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Biology Animal Phylums "Write a three sentence description for each phylum and list two examples for each. Also‚ draw a picture of a common example from each. (or cut out of a magazine). You will be graded on how accurate your information is as well as neatness." Sponges (Porifera): Poriferans don’t have mouths; instead‚ they have tiny pores in their outer walls through which water is drawn. Cells in the sponge walls filter nutrients from the water as the water is carried through the body
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WATER CYCLE Water Cycle‚ also known as hydrologic cycle‚ is a process that is constantly recycling the Earth ’s supply of water. This is important because humans‚ animals‚ and plants all need water to survive. It is controlled by the sun‚ which produces energy in the form of heat. This heat energy causes the water in the world ’s oceans‚ lakes‚ etc. to warm and evaporate. As the water is heated‚ it changes its phase from liquid to gas. This gas is called water vapor and this process is called
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KARIMEEN FISH / PEARLSPOT THE GREEN CHROMIDE OR ALSO KNOWN AS KARIMEEN / PEARLSPOT IS A SPECIES OF CICHLID FISH FROM FRESHWATER VERY POPULAR IN SOTHERN INDIA AND SRILANKA.IT IS ALSO CALLED KORAL IN BENGALI . IT COMMONLY REACHES 20 CENTIMETER IN LENGTH AND THE MAXIMUM IS TWICE OF THAT. THE MOST POPULAR DISHES OF KARIMEEN IN INDIA ARE :- 1. KARIMEEN FRY 2. KARIMEEN MOLLY 3. KARIMEEN POLLICHATU 4. KARIMEEN CURRY 5. KARIMEEN MAPPAS KARIMEEN FISH IS CONSIDERED AS A DELICUSY IN KERALA. IT
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Climate change is the most significant challenge to achieving sustainable development and threatens to drag thousands of people to severe poverty. It refers to any outstanding measures of climate lasting for an extended period of time. This includes major changes in temperature‚ precipitation or winds patterns and others that occur several days longer. Some Caribbean islands in particular are vulnerable to climate change. Rising sea levels will have a consequential and dampening effect on their economy
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Sundarban : An Overview Sundarbans National Park Sundarbans National Park covers 10‚000 km2 of land and water (more than half of it in India‚ the rest in Bangladesh) in the Ganges delta. It contains the world’s largest area of mangrove forests. A number of rare or endangered species live in the park‚ including tigers‚ aquatic mammals‚ birds and reptiles Outstanding Universal Value Brief synthesis: The Sundarban contain the world’s largest mangrove forests and one of the most biologically productive
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than the mastigophores. | The most well-known example of a sarcodine is the famous amoeba. Lacking any rigid structure outside of their cell membrane‚ sarcodines can freely change their shape and form pseudopodia. Sarcodines can live in both freshwater and marine environments. They can reproduce both asexually and sexually‚ and they are usually free-living. Like mastigophores‚ sarcodines use pseudopodia to move and capture food. Although the amoeba is generally thought of as lacking any structure
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1. The term “metazoan” is a synonym with “multicellular animal.” Are there any single celled animals? How are single-celled eukaryotes classified? 2. Give eight characteristics of sponges. Multicellular animals‚ body had pores‚ canals‚ and chambers‚ all sponges are mostly marine or totally aquatic‚ they exhibit radial symmetry or no symmetry‚ all adults are sessile and attached to the substratum no organs or true tissue are present‚ asexual reproduction occurs by buds or germmules‚ outer surface
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