1 BIO 100 UNIT 12 PRACTICE TEST Answer the following questions on a separate sheet of paper . 1. In what era did fishes first appear? a. Archaea b. Mesozoic c. Paleozoic d. Pre-Cambrian 2. Mitochondria and chloroplasts of eukaryotic cells are very similar to prokaryotes. a. True b. False 3. Is Euglena a plant-like or animal-like protist? a. plant-like b. animal-like 4. Dr. Smith has discovered a bird that he believes is a new species. Dr. Wilson says he will only be convinced if Dr. Smith finds several more of the same type. Why might Dr. Wilson feel this way? a. He wants to be sure Dr. Smith hasn't killed the last one and made the species extinct. b. He wants to be sure that the bird Dr. Smith found really represents a new type and isn't just an unusual example of an already-described species. c. Before a group can be named as a new species, it's required that a representative of the species be placed in all natural history museums around the world. d. All the bird species have already been described, so there can't be anymore. 5. Which two groups' common ancestor would be found in relatively shallow fossils? a. amphibians and mammals b. fish and amphibians c. mammals and birds d. amphibians and reptiles 6. Which of the following is found in the phylum Porifera? a. sea urchins and sea stars (starfish) b. corals, anemones, and jellyfish c. insects, spiders, crabs, and shrimp d. sponges 7. In what era did reptiles first appear? a. Archaea b. Mesozoic2 c. Paleozoic d. Pre-Cambrian 8. In what era did mammals first appear? a. Archaea b. Mesozoic c. Paleozoic d. Pre-Cambrian 9. Single-celled organisms that do not contain a nucleus are put in the same domain. a. True b. False 10. Which of the following is found in the phylum Chordata? a. snails, clams, and squid b. fishes, birds, and humans c. tapeworms d. earthworms and leaches 11. Scientists who study bacteria are called: a. zoologists b. microbiologists c. mycologists d. botonists 12. Scientists who study animals are called: a. zoologists b. microbiologists c. mycologists d. botonists 13. Why are companies particularly interested in bioprospecting? a. Companies hope to become famous for discovering a new species. b. Companies hope to make more students interested in taxonomy. c. Companies hope to discover a species that contains an enzyme or another protein that can be marketed. d. There's a prize being given out for the first group to count all the species on Earth. 14. Place these categories in the correct order, from most broad (most general) to least broad (most specific). a. phylum, kingdom, domain, species b. species, phylum, domain, kingdom c. kingdom, species, phylum, domain3 d. domain, kingdom, phylum, species 15. Which of the following is not an invertebrate phylum? a. Chordata b. Echinodermata c. Annelida d. Arthropoda 16. What is the adaptive value of natural antibiotic production by fungi? a. Bacteria infect fungi and kill them. b. Bacteria spoil the food that the fungi need for their own nutrition. c. Bacteria are the main competitors of fungi for food. d. Bacteria inhibit the reproduction of fungi. 17. An organism is described that can live in very high temperature water. This organism is most likely a member of: a. Bacteria b. Archaea. c. Protista. d. Animalia. 18. Which of the following is found in the phylum Echinodermata? a. sea urchins and sea stars (starfish) b. corals, anemones, and jellyfish c. insects, spiders, crabs, and shrimp d. sponges 19. Which of the following is found in the phylum Platyhelminthes? a. snails, clams, and squid b. fishes, birds, and humans c. tapeworms d. earthworms and leaches 20. Which of the following groups is the most evolutionarily advanced? a. Porifera b. Mollusca c. Annelida d. Echinodermata 21. Organisms that live in habitats with high levels of competition are more likely to produce defensive chemicals than those that live with little competition. a. True b. False4 22. Which of the following is not in domain Eukarya? a. bacteria b. fungi c. plantae d. protista 23. Which of the following are found in the kingdom Fungi? a. pines, cacti, and ferns b. algae, seaweeds, and diatoms c. rattlesnakes, coyotes, and quail d. mushrooms and yeast 24. Which of the following phyla includes the mosses? a. Anthophyta b. Coniferophyta c. Pteridophyta d. Bryophyta 25. Which of the following phyla includes the ferns? a. Anthophyta b. Coniferophyta c. Pteridophyta d. Bryophyta 26. Systematists usually store plant collections in: a. natural history museums b. herbaria c. type-collection centers d. research labs 27. The current classification system would be most likely to change if: a. more species became extinct. b. more types of vertebrates were discovered. c. more information became available on the evolutionary history of existing species. d. new life forms evolved. 28. The entity most likely to profit when a pharmaceutically important molecule is discovered in a species of rainforest tree is a. the country in which the rainforest is located. b. the shaman who has been using the bark of that tree to cure disease. c. the company that discovered the compound. d. the wildlife federation that has been working to maintain the rainforest and prevent5 development. 29. Which of the following are found in the kingdom Animalia? a. pines, cacti, and ferns b. algae, seaweeds, and diatoms c. rattlesnakes, coyotes, and quail d. mushrooms and yeast 30. Archaea are more closely related to members of Eukarya than members of Bacteria. a. True b. False _____________________________________________________________________________ Answers: 1. c 2. a 3. a 4. b 5. c 6. d 7. c 8. b 9. b 10. b 11. b 12. a 13. c 14. d 15. a 16. c 17. b 18. a 19. c 20. d 21. a 22. a 23. d 24. d 25. c 26. b 27. c 28. c 29. c 30.