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A group of taxa consisting of a common ancestor and some, but not all, of its descendants
paraphyletic grouping
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All eukaryotes that are not green plants, fungi, or animals
Protists
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Chromosomes where DNA is complexed with protein
histones
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Small organisms that live near the surface of oceans or lakes and that drift along or swim only short distances
plankton
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The movement of carbon atoms from carbon dioxide molecules in tha atmosphere to organisms, in the soil or the ocean, and then back to the atmosphere
global carbon cycle
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organelles that project from the cell and whip back and forth to produce swimming movements
flagella
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species that have a flagellum with hollow, hair like projections
stramenopiles
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proposes that mitochondria originated when a bacterial cell took up residence inside a eukaryote about 2 billion years ago
endosymbiosis theory
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