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NAME ____________________________ PRD _____ DATE ____________ MULTIPLE CHOICE: Write the correct letter on the line provided. ____ 1.If you know that an organism is a prokaryote, you know that A. its cell does not contain a nucleus. B. its cell does not contain ribosomes. C. the organism is a heterotroph. D. the organism cannot move on its own. ____ 2.Which of the following statements about viruses is not true? A. Viruses can multiply only inside a living cell. B. Viruses have genetic material. C. Virus particles are smaller than bacterial cells. D. Diseases caused by viruses can be cured by antibiotics. ____ 3.Paola grew a new culture of bacteria and measured the population’s growth over time. The number of bacteria increased sharply over the first few hours but then tapered off. Which of the following statements about these observations is true? A. The initial conditions for bacterial growth were favorable. B. The number of bacteria increased as the bacteria reproduced asexually. C. After a period of time, the bacteria started to run out of food, space, and other resources. D. all of the above ____4. Which part of a virus determines which host cells it can infect? A. nucleus B. ribosomes C. flagellum D. surface proteins ____ 5.Most bacteria are surrounded by a rigid protective structure called the A. cell wall. B. cell membrane. C. protein coat. D. flagellum. NAME ____________________________ PRD _____ DATE ____________ ____ 6 .Which of the following help prevent the spread of infectious diseases? A. toxins B. vaccines C. parasites D. endospores ____ 7. Which of the following characteristics describes all protists? A. They are unicellular. B. They can be seen with the unaided eye. C. Their cells have nuclei. D. They are unable to move on their own. ____ 8 . A protist structure that collects water and expels it from the cell is called a A. pseudopod. B. contractile vacuole. C. cilia. D. spore. ____ 9.The interaction between two species in which at least one of the species benefits is called A. eutrophication. B. hyphae. C. symbiosis. D. budding. ____ 10. An overpopulation of saltwater algae is called a(n) A. pigment. B. lichen. C. red tide. D. eutrophication. ____11. A lichen is a symbiotic association between A. fungi and plant roots. B. algae and fungi. C. algae and bacteria. D. protozoans and algae. NAME ____________________________ PRD _____ DATE ____________ ____12.Circle the letter of each sentence that is true about protists. A. All protists are eukaryotes, organisms that have cells with nuclei. B. All protists live in dry surroundings. C. All protists are unicellular. D. Some protists are heterotrophs, some are autotrophs, and some are both. ____14.Circle the letter of each characteristic that animal-like protists share with animals. A. autotroph B. heterotroph C. movement D. unicellular ____15. Circle the letter of the cell part in an amoeba that removes excess water. A. pseudopod B. cilia C. contractile vacuole D. cell membrane ____ 16. One adaptation that land plants have to keep from drying out. A. chlorophyll B. cell wall C. cuticle D. vascular tissue ____17.Which plant structure helps the plant reduce water loss to the air? A. cuticle B. vascular tissue C. chlorophyll D. cell wall ____18. Plants that lack a well-developed system of tubes for transporting water and other materials are known as A. vascular plants. B. nonvascular plants. C. sporophytes. D. gametophytes. NAME ____________________________ PRD _____ DATE ____________ ____19. The spores that plants produce in the sporophyte stage develops into the A. gametes. B. zygote. C. gametophyte. D. egg cells. FILL IN THE BLANKS 20. What three shapes can bacterial cells have? a. ________________________ b. ________________________c. ________________________ 21. List the two ways in which autotrophic bacteria make food. a. _____________________________________________________________________ b. _____________________________________________________________________ 22. When do bacteria form endospores? ________________________________________________________________________ ________________________________________________________________________ 23. How do heterotrophic bacteria get food? ________________________________________________________________________ ________________________________________________________________________ 24. List the three categories into which scientists group protists. a. ___________________________________________________________________ b. ___________________________________________________________________ c. ___________________________________________________________________ 25. Describe how a sarcodine, such as an amoeba, gets food. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ NAME ____________________________ PRD _____ DATE ____________ TRUE/FALSE (circle the correct answer) 26. True or false? Paramecia have more than one nucleus 27. True or false? Bacteria that do not have flagella are never moved from one place to another. 28. True or false? All bacteria must use oxygen to break down food for energy. 29. True or false? Flagellates living in symbiosis always harm the animal in which they live. 30. True or false? Plants make their own food in the process of photosynthesis. 31. True or false? Only some plants are multicellular. 32. True or false? Protozoans that are parasites never have more than one host. 33. True or false? Bacteria are living organisms because they use energy, grow, and respond to their surroundings. 34. True or false? Some land plants are supported by vascular tissue. MATCHING/FILL IN THE BLANK 35. Match the animal-like protist with the cell part it uses for movement. Protist Cell Part ____ Amoeba a. cilia ____ paramecium b. flagella ____ Flagellate c. pseudopods 36. Circle the letter of each characteristic that plants share. A. heterotroph B. autotroph C. prokaryote D. eukaryote 37. List five things that plants must do to survive on land. a. _____________________________________________________________________ b.______________________________________________________________________ c. ______________________________________________________________________ d.______________________________________________________________________ e. ______________________________________________________________________ NAME ____________________________ PRD _____ DATE ____________ FILL IN THE BLANK: Use the word bank provide to complete the sentences. 38. Protozoans that are ________________________feed on the cells and body fluids of their hosts. 39. Soil bacteria that break down large chemicals in dead organisms into small chemicals are called ________________________. 40. Plantlike protists are commonly called ________________________. 41. Bacteria are ________________________. The genetic material in their cells is not contained in a nucleus. 42. Like plants, plantlike protists are ________________________; they make their own food. 43. Another name for an animal-like protist is ________________________. 44. Plant cells have a(n) ________________________, a boundary that surrounds the cell membrane and separates the cell from the environment. 45. A group of similar cells that perform a specific function in an organism is a(n) ____________________. 46. Some plants move water, minerals, and food with a system of tube-like structures called ________________________. Tissue Heterotrophs Protozoan Autotrophs prokaryotes Algae Decomposers vascular tissue