Bio Exam 2

50 Questions  I  By Itsaliciayall8

  
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1.  Which of the following staements provides the strongest evidence that prokaryotoes evolved before eukaryotes?
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2.  A taxon, all of whose members have the same common ancestor is
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3.  Systematics is concerned with
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4.  Different groups of sea weeds can generally be distinguished on the basis of
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5.  An early consequence of the release or oxygen gas by plant bacterial photosynthesis was to
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6.  How do fungi "find" things to eat?
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7.  There are many similarities between prokayotes called_____ and eukaryotic organisms.
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8.  Which was least abundant in Earth's early atomosphere prior to 2 billion years ago?
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9.  The snowball Earth hypothesis provides a possible explanation for the
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10.  Which of the following is true of eukaryotes?
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11.  Two animals in the same family would not have to be in the same 
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12.  Certain dinoflagellates enter the cells ofcoral animals and carry out photosynthesis, producing food for themselves and the coral. This is a lot like
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13.  When using a cladistics approach to systematics, which ofthe following is considered most important for classification?
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14.  Which of the following taxa is least closely related to the others?
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15.  If you collected a sample of plankton — floating organisms — from near the ocean surface, you would be unlikely to find which of the following?
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16.  When a red tide occurs, huge numbers ofthese microscopic organisms are filtered out of coastal by oysters and clams. This sometimes causes the shellfish to become toxic to people that eat them. The organisms that create the red tide are classified as
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17.  A certain unicellular eukaryote has a siliceous (glasslike) shell and autotrophic nutrition. To whicih group does it belong?
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18.  Which of the following is least useful in tracing phylogeny?
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19.  As she peered through the microscope, Paige said, “I know that this thing is supposed to be either flagellate, or an amoeba, but I can’t figure out which.” Michelle replied, “That’s easy. . . .“
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20.  Thread-like pseudopods that can perform phagocytosis are generally characteristic of which group
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21.  Members of this phylum form arbuscular mycorrhizae:  
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22.  Which feature of the chytrids supports the hypothesis that they represent the most primitive fungi?
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23.  Cyanobacteria often partner with a fungus as a(n) ________________
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24.  You are presented with several single-celled organisms, including one thought to belong to the kingdom Fungi.What unique feature helps you identify the fungus?
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25.  If the mitochondria and chloroplasts in eukaryotic cells resulted from endosymbiosis, what feature(s) might we expect these organelles to contain?
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26.  The greatest number of eukaryotic organisms are
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27.  The body of a fungus is generally composed of 
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28.  Your parents are coming to visit so you immediately run to the pantry to throw away the loaf of bread with the black fuzzy stuff on it. What phylum of fungi did you probably just trash?
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29.  Which of the following would make the most suitable outgroup species fòr a cladogram relative to the other species ?
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30.  Land plants are believed to have evolved from_______
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31.  Structures that evolved from the same structure in a common ancestor are
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32.  The process through which species not closely related may come to resemble one another if they live in a similar environment is known as
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33.  Cave-dwelling catfish and cave-dwelling salamanders share striking similarities: both organisms lack pigmentation and their eyes are reduced or absent. The most recent common ancestor to these organisms had normal pigmentation and fully developed eyes. The similarities between cave catfish and cave salamanders are an example of
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34.  Ever since Darwin, systematics has tried to
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35.  Which of the following options lists taxonomic categories in the correct order from most specific to most general?
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36.  Which of the following is a role NOT performed by any fungi
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37.  Which of the following taxonomic names includes the fewest number of species?
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38.  Animals that possess homologous structures probably_____________
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39.  The worldwide die-off of frogs has been traced to infection by what type of fungus?
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40.  The science of naming and classifying organisms is called:
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41.  Most Prokaryotes
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42.  The largest seaweeds belong to which group?
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43.  Which of the following taxonomic categories contains all the others?
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44.  _________ and ___________ mean the same thing.
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45.  In mammals, the presence of four limbs is ________ and hair is______. 
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46.  A systematist includes a lizard in a phylogenetic analysis of relationships among bird families. In this analysis, the lizard would be treated as
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47.  A(n) ________ has been used to estimate that HIV-1 M first spread to humans in the 1930s.
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48.  The three-domain system
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49.  An organism has a relatively large number of Hox genes in its genome. Which of the following is not true of this organism?
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50.  . All organisms called “algae” are
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