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Taxonomy and Classification Review Questions for AP Biology

By — McGraw-Hill Professional
Updated on Oct 24, 2011

Review the following concepts if needed:

Review Questions

  1. Which of the following is thought to be the common ancestor to plants?
    1. Chemoautotrophs
    2. Choanoflagellates
    3. Chordata
    4. Chlorophytes
    5. Cnidaria
  2. Which of the following pairs of organisms is most closely interrelated?
    1. Sponge and halophile
    2. Jellyfish and coral
    3. Oyster and conifer
    4. Lichen and roundworm
    5. Bryophyte and mold
  3. Which of the following was an evolutionary adaptation vital to the survival of the bryophytes?
    1. The switch from the gametophyte to the sporophyte as the dominant generation of the life cycle
    2. The development of branched sporophytes
    3. The birth of pollination
    4. The packaging of gametes into gametangia
    5. Evolution of the seed
  4. Which of the following is the most specific category of classification?
    1. Class
    2. Family
    3. Order
    4. Division
    5. Phylum
  5. Which of the following is not associated with flowers?
    1. Carpel
    2. Stigma
    3. Style
    4. Hypha
    5. Anther
  6. Which of the following was the latest to branch off the animal phylogenetic tree?
    1. Radiata
    2. Acoelomates
    3. Eumetazoa
    4. Pseudocoelomates
    5. Deuterostomes
  7. For questions 7–10, please use the following answer choices:

    1. Kingdom Animalia
    2. Kingdom Fungi
    3. Kingdom Plantae
    4. Kingdom Protista
    5. Kingdom Monera
  8. Thermoacidophiles are grouped into this kingdom that consists of single-celled organisms lacking nuclei and membrane-bound organelles.
  9. Arthropods are grouped into this kingdom whose members are multicellular heterotrophs that have the diploid stage as their dominant generation in the life cycle.
  10. This kingdom is divided into plantlike, animallike, and funguslike divisions.
  11. Molds, or deuteromycota, are grouped into this kingdom that consists of mostly multi cellular organisms that are constructed out of hypha.

Answers and Explanations

  1. D—Chlorophytes are green algae that are the common ancestors of land plants. Chemoautotrophs are monerans that produce energy from inorganic substances. Choanoflagellates are the organisms thought to be the starting point for the animal kingdom's phylogenetic tree. Chordata includes the invertebrates and vertebrates, and cnidarians are radially symmetric organisms such as jellyfish.
  2. B—Jellyfish and coral are both cnidarians of the animal kingdom.
  3. D—Since the bryophytes were the first plants to brave the land, they were still somewhat dependent on water and also needed protection for their gametes. The gametangia provided a safe haven for the gametes where fertilization and zygote development could occur. Answer choices A and B were adaptations made by seedless vascular plants. Answer choices C and E were adaptations made by the gymnosperms.
  4. BKaraoke players can order free grape soda or King Phillip came over for good spaghetti (enough said).
  5. D—Hyphae are associated with fungi. The other parts are all associated with flowers.
  6. E—Take a look at Figure 13.1 for this one; the deuterostomes are indeed the last to branch off.
  7. E.
  8. A.
  9. D.
  10. B.
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