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Sea Otter Activity: Each person needs to first read through the handout. Then, work with your partner on the second part. Each group member is to only have ONE electronic device they are researching on. Answer the questions on a separate piece of paper. © 2006 Thomson-Brooks Cole
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Key Concepts Marine and terrestrial environments are interrelated, interactive, and interdependent. The ocean is an important source of food and other resources for humans. Marine biology is the study of the sea’s diverse inhabitants and their relationships to each other and their environment. © 2006 Thomson-Brooks Cole
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Key Concepts The history of marine biology is one of changing perspectives that have shaped the modern science and its applications. Marine laboratories play an important role in education, conservation, and biological research. © 2006 Thomson-Brooks Cole
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Key Concepts It is important to study marine biology in order to make informed decisions about how the oceans and their resources should be used and managed. Scientists use an organized approach called the scientific method to investigate natural phenomena. © 2006 Thomson-Brooks Cole
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Importance of the Oceans and Marine Organisms
Principal physical feature of the planet Drive weather patterns © 2006 Thomson-Brooks Cole
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Importance of the Oceans and Marine Organisms
Productive—________________________________________________________________ Marine organisms are useful as subjects of scientific study for many areas of research © 2006 Thomson-Brooks Cole
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Study of the Sea and Its Inhabitants
Oceanography ____________________________________________________________________________________________ Marine biology- _____________________________________________________________________________ Ecology of the marine environment © 2006 Thomson-Brooks Cole
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© 2006 Thomson-Brooks Cole
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Marine Biology: A History of Changing Perspectives
Early studies of marine organisms _____________and the “ladder of life” Pliny the Elder’s Natural History Renewed interest in marine organisms voyage of the _____________________and Charles Darwin’s On the Origin of Species discovery of organisms on retrieved transatlantic telegraph cable © 2006 Thomson-Brooks Cole
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© 2006 Thomson-Brooks Cole
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Marine Biology: A History of Changing Perspectives
Beginnings of modern marine science _______________________________ 4,700 new species collected and described Charles Wyville Thomson collected plankton marine studies in the United States expeditions of Alexander Agassiz funding of the first marine biology laboratory: Anderson Summer School of Natural History, predecessor of the Marine Biological Laboratory at Woods Hole other U.S. marine laboratories © 2006 Thomson-Brooks Cole
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© 2006 Thomson-Brooks Cole
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© 2006 Thomson-Brooks Cole
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Marine Biology: A History of Changing Perspectives
Marine biology in the twentieth century Fridtjof Nansen’s Arctic expedition Sir Alistair Hardy’s Antarctic expedition Marine biology today Deep-sea submersibles Information sharing via the Internet © 2006 Thomson-Brooks Cole
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Process of Science Hypothesis
Scientific method – an orderly pattern of gathering and analyzing information inductive reasoning deductive reasoning observations © 2006 Thomson-Brooks Cole
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Steps in the Scientific Method
Making observations Using inductive reasoning to form a hypothesis Using deductive reasoning to design experiments experimental variable experimental set control set © 2006 Thomson-Brooks Cole
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Steps in the Scientific Method
Gathering results Drawing conclusions theory versus hypothesis Plant growth in a salt marsh: a case study of the scientific method observation of growth patterns and analysis of soil samples experiment to test hypothesis analysis of results of the experiment © 2006 Thomson-Brooks Cole
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© 2006 Thomson-Brooks Cole
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© 2006 Thomson-Brooks Cole
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© 2006 Thomson-Brooks Cole
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