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Published bySolomon Howard Modified over 9 years ago
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Bell Ringer Choose 5 vocabulary terms from your list and use them in complete sentences. Write these on a sheet of paper and save to turn in on Friday.
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Classification
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Recap from Yesterday What are favorable traits? Unfavorable traits? What is natural selection? What are adaptations?
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Evolution in the Marine Environment What is a species? How do new species arise? Rate of evolutionary change
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Evolution in the Marine Environment All major animal phyla are found in the sea At least 80% of all phyla include marine species More ways to “make a living” in the ocean
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Evolution in the Marine Environment Since physical conditions are relatively uniform, large animals tend to look the same. – Similar conditions tend to result in similar looking organisms – Traits are independently selected – Convergent evolution
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“The environment isn’t right for the organisms; rather, the organisms are right for the environment.”
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Classification of Oceanic Life Taxonomy Artificial System of Classification – Aristotle proposed grouping organisms based on external similarities
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Classification of Oceanic Life Natural System of Classification It’s what’s in use today. Why? – Common underlying natural origin
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Classification of Oceanic Life Linnaeus – 3 kingdoms: animal, vegetable, & mineral Dropped mineral & expanded the others into 6 Linnaeus’ system was based on hierarchy
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Classification of Oceanic Life Linnaeus perfect the naming technique using scientific name.
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Let’s Review!
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