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| a coherent set of related and well tested hypotheses that explain a broad set of obervations and that guide scientific research |
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| processes that result in a growth of an organism or an increase in the number of organisms. |
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| living things arise only from pre-existing life |
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| life arises from non-living material |
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| all living systems are composed of one or more cells. The cell is the fundamental unit of life. |
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-bounded by plasma membran composed of lipids.
-contains genetic material (usually DNA)
-contains a gel-like cytoplasm in which proteins and other substances are suspended |
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-plasma membrane
-single chromosome in circular form (plasmid)
-often a cell wall
-cytoplasm with ribosomes
-no internal sub-cellular compartments
(organelles)
-bacteria |
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•Plasma membrane
•Numerous internal sub-cellular compartments
(organelles)
•True nucleus
•Cytoplasm with ribosomes
•Multicellular and unicellular
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| metabolic processes include all the chemical reactions and associated energy transfers needed for an organism to grow maintain itself, reproduce, etc. |
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| most metabolic processes are carried out by proteins called |
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| the science of naming describing, identifying and classifying 1.5 million organisms. |
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| Why is taxonomy important? |
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-it provides a means of unambiguous communication amount scientists
-cataloguing the diversity of life that is an important |
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Carl Linne
(Carl Linnaeus) |
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-born in 1707
-1758 published Systema Naturae-binomal system used to name organisms. |
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| The language of taxonomy is |
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| published Systema Naturae, in which the binomial system was used to name organisms. |
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| The science of taxonomy was radically altered by the... |
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Why is taxonomy important?
(2 reasons) |
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-provides communication amoung scientists
-Catalouging diversity |
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| Fundamental unit of taxonomy |
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A distinct type or kind of organism.
Modern biologists-"a species is a group of actually or potentially interbreeding populations that are repoductively isolated from other groups" |
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| Every species has a 2 part binomial name: |
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(1st) Genus Name
(2nd) Specific Epithet |
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| a body of entities arranged in a graded species |
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| heiarchial Classification System |
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Kingdom
Phylum
Class
Order
Family
Genus
Species |
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| processes that result in the growth of an organism or an increase in the number of organisms. |
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| cellular parts consisting of or bounded by membranes |
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| organelles in eucaryotic cells that produce most of the energy richATP that cells use. |
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| Who were the first to make attemps at taxonomy? |
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| The science of taxonomy was radically altered by |
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a body of entities arranged in a graded series
-Taxonomic classification is heirachial |
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