Chapter 15 Review Classification Systems

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Chapter 15 - ReviewClassification Systems

• Charles Page High School
• Dr. Stephen L. Cotton

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Chapter 15 - Review

• Taxonomists try to create taxa that group
  organisms according to _________.
• From its name, you know that the organism Malus
  sylvestris must be in the species _____.
• The order to which humans belong is ________.

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Chapter 15 - Review

• In classification, families of plants are grouped
  into _____.
• If an organism is multinucleate and does not have
  its cells separated by cell walls, it is a
  ______.
• In classifying organisms, the least clear-cut
  division is between the ____ and _____.

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Chapter 15 - Review

• If you observe a multicellular organism whose
  cell walls lack cellulose, it is a ______.
• If an organism is warmblooded, does it have to be
  a mammal?
• The common house cat is in the same genus as
  which of the following tiger mountain lion
  cheetah lion

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Chapter 15 - Review

• Birds, fish, and reptiles are classified as
  ______.
• Multicellular algae are classified in the kingdom
  _______.
• A heterotroph whose cell walls lack chlorophyll
  is a _______.
• If an organism makes its own food, it must be
  a(n) ______.

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Chapter 15 - Review

• Members of the kingdom Plantae are multicellular
  and _______.
• There is strong biochemical evidence that the
  earliest living things on Earth were ______.
• Homo habilis and Homo erectus are not in the same
  ______.

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Chapter 15 - Review

• Today, molds and yeasts are classified as
  _______.
• From their scientific names, Zea mays and Allium
  cepa, you know that the two organisms are
  ________.
• The organisms that led to the revision of
  Linnaeuss original classification system were
  ____.

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Chapter 15 - Review

• Present-day taxonomists attempt to group
  organisms according to their _______.
• Each of the following is important in classifying
  except acquired characteristics developing
  embryos analogous structures homologous
  structures

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Chapter 15 - Review

• Differences in the structures of hemoglobin among
  animals resulted from mutations that must have
  occurred after the ancestors of the various
  species ________.
• Organic molecules that are almost identical from
  species to species are _______.

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Chapter 15 - Review

• An animallike protist, unlike an animal, is
  ______.
• The most clear-cut division between kingdoms is
  between the ____ and _____.
• An organism that is one-celled, has no nucleus,
  and has a cell wall without cellulose is a ____.

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Chapter 15 - Review

• The third smallest taxon in the Linnaean system
  of classification is the _____.
• Hemoglobin is most similar in structure in which
  of the following mammals and birds amphibians
  and reptiles fishes and frogs dogs and lions

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Chapter 15 - Review

• If an organism is a protist, it must be a(n)
  ______.
• Today, molds and yeasts are no longer classified
  as _____.
• Humans and chimpanzees have DNA that differs in
  approximately ___ of the nucleotide sequences.

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Chapter 15 - Review

• Do organisms sometimes need to be reclassified
  from one taxon to another?
• If you find an organism that is different from
  any known specimen, who has the privilege of
  naming it?
• Did all organisms evolve from present-day
  prokaryotes?

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Chapter 15 - Review

• Spirogyra crassa and Spirogyra nitida are
  different _____.
• Scientists who classify organisms on the basis of
  similarities and differences between homologous
  structures are called ______.
• Unicellular algae are categorized as ______.

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Chapter 15 - Review

• The various taxa of ______ may have evolved from
  plantlike protists.
• Scientists have identified more than _______
  species of organisms on Earth so far.

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Chapter 15 - Review

• The similarity between the chemical _________ in
  Felis leo and Felis tigris shows that the two
  species are closely related.