Biology Chapter 18 – Flashcards
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According to the rules of binomial nomenclature, which of the terms is capitalized?
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the genus name only
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Several different classes make up a
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phylum
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Which are the two highest level taxa in the Linnaean system?
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phylum and kingdom
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Animals that are warm-blooded, have body hair, and produce milk for their young are grouped in the class
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mammalia
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In evolutionary classification, a monophyletic group includes one
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ancestor and all its descendants
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What do all organisms have in common?
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They all use DNA to pass on information
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In Linnaeus's time, all life was divided into which two kingdoms?
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animals and plants
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In heterotrophs, energy for the life processes comes from the chemical energy stored in the bonds of
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organic compounds
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Which of the six kingdoms correspond to the domain Eukarya?
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the kingdoms Protista, Fungi, Plantae, and Animalia only
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Fungi are different from plants primarily because they
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are heterotrophic
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A genus is composed of a number of similar
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species
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What is taxonomy?
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A classification system based on shared characteristics
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The scientific name of the sugar maple is Acer saccharum. What does the second part of the name, saccharum, designate?
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species
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Which category listed has the most biological meaning?
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all birds descended from a hawklike ancestor
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What is a derived character?
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A trait that arose in the most recent common ancestor of a particular lineage and passed to its descendants
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Which of the following is NOT one of the six kingdoms of life s they are now identified?
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Eukarya
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All of the following are domains of life except
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Protista
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What is the goal of evolutionary classification?
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To classify organisms according to phylogeny rather than physical similarities only
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An organism is a multicellular heterotroph made up of eukaryotic cells lacking cell walls. Into which taxonomic group should the organism be classified?
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animals
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An organism is classified in the kingdom Plantae. Which of the following must be true about the organism?
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it is autotrophic
