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Related Flashcards
Cards In This Set
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Who was Caolus Linnaeus?
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A swedish botanist who came up with the system for classifying animals
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What is binomial nomenclature?
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It is two parts, the genus and species
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Name all the divisions of classifying organisms from largest to smallest
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Domain, kingdom, phylum, class, order, family, genus, species
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When the divisions were first identified, how many were there and what were they called?
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2 kingdoms, plants and animals
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What does dichotomous mean?
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Divided or dividing into 2 parts or classifications
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Name the 5 things that scientists use as a basis for the classification system
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DNA, biochemical analysis, embryology, traits and the phylogenic tree
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What is a phylogenic tree?
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Used in classification when there is an organism all from a common ancestor
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Name and define the 3 things that link classification to evolution
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Phylogenic tree-show that it is all from a common ancestor convergant evolution- when organisms have the same traits not from an ancestor, but because they are adapted to the same thing co-evolution- when the change of one species turns into a chain of different species and they evolve from each other
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What are 4 facts about viruses?
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-smaller than prokaryotes
-not a cell -not living -must infect and use living cells to reproduce |
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Name and explain the 3 common viruses discussed in class
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Smallpox- highly contagious, bumps on surface of skin HIV- white blood cell count and immunity goes down influenza- flu virus, symptoms vary from person to person
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How are most viruses treated?
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Vaccinations
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What kingdom is bacteria in?
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Eubacteria
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What percent of bacteria are helpful?
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99%
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Why is bacteria important?
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It helps destroy harmful organisms within our bodies
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What are 3 facts about bacteria?
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-undergoes binary fission
-helps our bodies with digestion and produces needed vitamins -used to make cheese, milk, sourdough bread, and yogurt |
