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Free research papers and essays on topics related to: sea anemones

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  • African Widow Bird - 1,437 words
    African Widow Bird Finding good day care can certainly pose a problem these days, unless, of course, you're an African widow bird. When it comes time for a female widow bird to lay her eggs, she simply locates the nest of a nearby Estrildid finch and surreptitiously drops the eggs inside. That's the last the widow bird ever sees of her offspring. But not to worry, because the Estrildid finch will take devoted care of the abandoned birds as if they were her own. And who's to tell the difference? Though adult widow birds and Estrildid finches don't look at all alike, their eggs do. Not only that, baby widow birds are dead ringers for Estrildid finch chicks, both having the same colouration and ...
    Related: african, bird, widow, sri lanka, sea anemones
  • Anthopleura - 1,224 words
    Anthopleura Elegantissima The sea anemones that were collected for the "Clone Specific Segregation in the Sea Anemone Anthopleura elegantissima" experiment were collected by Lisbeth Francis in Pacific Grove, California (Biological Bulletin 1973, 144; 64-72). The topic of Franciss report is the particularity of the constant anemone-free areas dividing contiguous accumulations of these anemones and the connection of these areas to the dispersion and manner of these anemones. In her report Francis describes how she did her experiment and the result of each step. Francis also includes a discussion section where she discusses advantages versus disadvantages of segregated aggregations and organism ...
    Related: sea anemones, aggressive behavior, ocean life, aggressive, segregated
  • Freshwater Regions - 1,507 words
    Freshwater Regions Freshwater is defined as having a low salt concentrationusually less than 1%. Plants and animals in freshwater regions are adjusted to the low salt content and would not be able to survive in areas of high salt concentration (i.e, ocean). There are different types of freshwater regions: ponds and lakes, streams and rivers, and wetlands. The following sections describe the characteristics of these three freshwater zones. Ponds and Lakes These regions range in size from just a few square meters to thousands of square kilometers. Scattered throughout the earth, several are remnants from the Pleistocene glaciation. Many ponds are seasonal, lasting just a couple of months (such ...
    Related: freshwater, plant species, barrier reef, sea anemones, crucial
  • Great Barrier Reef - 513 words
    Great Barrier Reef The Great Barrier Reef The Great Barrier Reef is the biggest group of coral reefs in the world. It stretches along the coast on the north-east part of Australia. It is called the Great Barrier Reef because it creates a barrier between the Pacific Ocean and the coast. The Great Barrier Reef is a scattering of thousands of individual reefs. The reefs is on the World Heritage List made by UNESCO, because of its size and its many different plants and fishes. The reef lies in the Great Barrier Reef Marine Park, the worlds largest marine park. It has an area of nearly 350 000 square kilometres. The reef region is 260 000 square kilometres. The reef region is a popular tourist at ...
    Related: barrier, barrier reef, great barrier reef, reef, water sports
  • Mimicry In Nature - 1,440 words
    Mimicry In Nature THE GREAT IMPOSTERS Finding good day care can certainly pose a problem these days, unless, of course, you're an African widow bird. When it comes time for a female widow bird to lay her eggs, she simply locates the nest of a nearby Estrildid finch and surreptitiously drops the eggs inside. That's the last the widow bird ever sees of her offspring. But not to worry, because the Estrildid finch will take devoted care of the abandoned birds as if they were her own. And who's to tell the difference? Though adult widow birds and Estrildid finches don't look at all alike, their eggs do. Not only that, baby widow birds are dead ringers for Estrildid finch chicks, both having the s ...
    Related: sea anemones, sri lanka, foster care, african, clothing
  • Rachel Carson Through The Years - 1,067 words
    Rachel Carson Through The Years Rachel Carson Rachel Carson is considered one of America's finest science and nature writers. She is best known for her 1962 book, Silent Spring, which is often credited with beginning the environmental movement in the United States. The book focussed on the uncontrolled and often indiscriminate use of pesticides, especially dichlorodiphenyltrichloroethane (commonly known as DDT), and the irreparable environmental damage caused by these chemicals. The public outcry Carson generated by the book motivated the U.S. Senate to form a committee to investigate pesticide use. Her eloquent testimony before the committee altered the views of many government officials an ...
    Related: carson, rachel, rachel carson, small town, sea anemones
  • The Great Imposters - 1,440 words
    The Great Imposters Finding good day care can certainly pose a problem these days, unless, of course, you're an African widow bird. When it comes time for a female widow bird to lay her eggs, she simply locates the nest of a nearby Estrildid finch and surreptitiously drops the eggs inside. That's the last the widow bird ever sees of her offspring. But not to worry, because the Estrildid finch will take devoted care of the abandoned birds as if they were her own. And who's to tell the difference? Though adult widow birds and Estrildid finches don't look at all alike, their eggs do. Not only that, baby widow birds are dead ringers for Estrildid finch chicks, both having the same colouration an ...
    Related: sea anemones, sri lanka, foster care, sexual, striking
  • The Great Imposters Finding Good Day Care Can Certainly Pose A Problem These Days, Unless, Of Course, Youre An African Widow - 1,437 words
    THE GREAT IMPOSTERS Finding good day care can certainly pose a problem these days, unless, of course, you're an African widow bird. When it comes time for a female widow bird to lay her eggs, she simply locates the nest of a nearby Estrildid finch and surreptitiously drops the eggs inside. That's the last the widow bird ever sees of her offspring. But not to worry, because the Estrildid finch will take devoted care of the abandoned birds as if they were her own. And who's to tell the difference? Though adult widow birds and Estrildid finches don't look at all alike, their eggs do. Not only that, baby widow birds are dead ringers for Estrildid finch chicks, both having the same colouration an ...
    Related: african, foster care, pose, widow, sri lanka
  • Zonation On Rocky Shore - 2,235 words
    Zonation On Rocky Shore The seashore is a habitat that contains a wide range of microhabitats and ecological niches for different creatures. This is mainly due to the effects of the tides, that rise and fall twice each day. Tides are the vertical movement of water in a periodical oscillation of the sea, due to the gravitational pull of the sun and moon. The tides are on a semi-diurnal cycle, so there are two high tides and two low tides each day. Due to the orbit of the moon, the tides also have a monthly cycle. This creates neap (very low) and spring (very high) tides. The seashore can be divided into several zones, which are illustrated on the diagram below: Key: EHWS = Extreme High Water ...
    Related: rocky, shore, adult life, sea anemones, environmental
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