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Biology Lab

Unit 1

geologic record divided into Archaean, the Proterozoic, and the Phanerozoic eons.
cambrian explosion refers to the sudden appearance of fossils resembling modern animal phyla in the Cambrian period (535 to 525 million years ago)
phylogeny the evolutionary history of a species or group of related species
the discipline of systematics classifies organisms and determines their evolutionary relationships
taxonomy the ordered division and naming of organisms
binomial two-part scientific name of a species
the first taxonomic group domain
the second taxonomic group kingdom
the third taxonomic group phylum
the fourth taxonomic group class
the fifth taxonomic group order
the sixth taxonomic group family
the seventh taxonomic group genus
the eighth taxonomic group species
taxon a taxonomic unit at any level of hierarchy
excavata a supergroup; recently proposed clade that has emerged from morphological studies of the cytoskeleton
diplomonads a part of the excavate supergroup; have modified mitochondria called mitosomes, obtain energy from anaerobic biochemical pathways
mitosomes lack functional electron transport chains and cannot use oxygen to ex
Created by: danat214