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15 Cards in this Set
- Front
- Back
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Biodiversity
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Variety of organisms at all levels
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Taxonomy
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Naming and classifying organisms.
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Binomial nomenclature
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Two part names
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Phylogenetics
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Evolutionary or ancestral relationships.
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Cladistics
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System of phylogenetic analysis that uses shared and derived characters.
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Why do biologists classify organisms?
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Helps us understand and compare different organisms.
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Why did Aristotle method prove to eventually be inadequate?
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Some organisms fit into more than one group.
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What criteria did the Swedish naturalist Linnaeus use to classify organisms?
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He created a system based on structural characteristics.
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8 levels of organization to the modern version of Linnaeus classification system.
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•domain
•kingdom •phylum •class •order •family •genus •species |
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What are scientific names more precise than common names of organisms?
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They don't accurately describe the organisms.
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How are the scientific names of organisms formed?
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Combine the genus and species.
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What types of criteria do modern taxonomists use to classify organisms?
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Genetics
Embryo Look for: blood types and bacteria. |
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Two reasons it is difficult to study archaebacteria.
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Location
Produce deadly gases |
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What is problematic about defining the kingdoms Protista
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Such a wide variety
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Oldest known fossil cells
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Bacteria
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