Classification and Organisms Review Sheet
Modified True/False
Indicate whether the sentence or statement is true or false. If false, change the identified word or phrase to make the sentence or statement true.
____ 1. All plants are eukaryotes that contain many cells. ______
____ 3. A horse is a(n) heterotroph. ______
____ 4. The scientific study of how organisms are classified is called binomial nomenclature. ______
____ 5. In the name Acer rubrum, the word rubrum designates the species. ______
____ 6. Each genus of organisms is divided into classes. ______
____ 7. Mushrooms, molds, and mildew are members of the fungi kingdom. ______
____ 8. Archaea and Bacteria are two domains of eukaryotes. ______
____ 9. In a controlled experiment, a scientist carries out two tests that are identical in every respect except for one factor. ______
____ 10. The main function of leaves is to carry out the food-making process of germination. ______
Completion
Complete each sentence or statement.
11. A(n) ______organism is a living thing that is composed of many cells.
12. Organisms that make their own food are called ______.
13. The process of grouping things based on similarities is called ______.
14. Biologists find ______useful because this scientific study gives them much information about an organism based on its classification.
15. The first word in an organism’s scientific name is its ______.
16. ______developed a naming system that grouped organisms on the basis of their observable features.
17. In the modern classification system used by biologists, the broadest level of organization is called a(n) ______.
18. Each genus of organisms contains one or more ______.
19. An owl and a bat share the same kingdom and phylum; an owl and a robin share the same kingdom, phylum, and class. The owl and ______have more characteristics in common.
20. Archaea are not classified with ______, the other prokaryote domain, because they have different chemical makeups.
21. The ______kingdom is the only kingdom of eukaryotes that contains both autotrophs and heterotrophs and both unicellular and multicellular organisms.
22. Multicellular organisms are found in the protist, fungi, animal, and ______kingdoms.
23. A is another name for a living thing.
24. Cells and tissues that work together to create things like a heart are called .
25. High power on our microscopes is times magnification.
26. To determine the magnification on a microscope, multipy the lens by the lens.
27. WOWBugs are parasitic wasps that lay on or in other insects.
28. The on the microscope changes the amount of light that comes through the stage.
29. Volvox are colonial plant-like protists that use to move, just like Euglena.
Viruses, Bacteria, and Protists Review Sheet
Modified True/False
Indicate whether the sentence or statement is true or false. If false, change the identified word or phrase to make the sentence or statement true.
____ 1. One reason that viruses are considered to be nonliving is that they are not made of protein. ______
____ 2. The inner core of a virus contains genetic material. ______
____ 3. When a virus invades a living cell, its outer coat takes over the cell’s functions. ______
____ 4. Unlike the cells of eukaryotes, the cells of bacteria do not have nuclei. ______
____ 5. The cell membrane is the outermost structure of most bacterial cells. ______
____ 6. Bacteria that are decomposers break down large chemicals in dead organisms into small chemicals. ______
____ 7. Binary fission occurs when a bacterium transfers some of its genetic material to another bacterium. ______
____ 8. The bacteria that cause Lyme disease are transmitted through tick bites. ______
____ 9. Vaccines such as penicillin are chemicals that can kill bacteria. ______
____ 10. Bacteria must have a way to break down food to release its energy. ______
____ 11. Animal-like protists are commonly called algae. ______
____ 12. A contractile vacuole is a structure that collects extra water and expels it from a protist. ______
Completion
Complete each sentence or statement.
13. A virus can multiply only when it is inside a living ______.
14. Although viruses are nonliving, they act like ______because they harm the cells in which they multiply.
15. A virus’s ______contains the instructions for making new viruses.
16. The shape of the ______on a virus’s coat allows the virus to attach to certain cells.
17. A virus that begins to multiply immediately after it enters a cell is called a(n) ______virus.
18. Autotrophic bacteria either use the sun’s energy to make food or break down ______in their environment.
19. Some bacteria move by using a long, whiplike structure called a(n) ______.
20. Bacteria are called ______because their genetic material is not contained in nuclei.
21. Bacterial cells contain structures called ______, which are chemical factories where proteins are produced.
22. Some bacteria are called ______because they break down large chemicals in dead organisms into small chemicals.
23. Bacteria in swellings(nodules) on the roots of peanut plants convert ______gas from the air into compounds that the plants need to grow.
24. When bacteria reproduce by ______, one cell divides to form two identical cells.
25. Illnesses that pass from one organism to another are called ______diseases.
26. Some bacteria cause diseases by producing poisons known as ______.
27. A(n) ______is a substance that stimulates the body to produce chemicals that destroy viruses or bacteria.
28. The ability to ______is the only characteristic that viruses share with living organisms.
39. Bacteria that survive in the presence of an antibiotic are said to be ______to the antibiotic.
30. Like all organisms, bacteria need a constant supply of ______to carry out their life functions.
31. Many over-the-counter ______can help relieve symptoms of a viral infection, but not cure it..
32. An amoeba moves and feeds by forming temporary bulges of the cell membrane called ______.
33. Dinoflagellates and diatoms are examples of plantlike protists, which are commonly called ______.
34. The rapid growth of a population of algae in either a freshwater or saltwater environment is called a(n) ______.
36. Red tides are dangerous when ______produced by the algae become concentrated in the bodies of organisms that eat the algae.
36. The fungus Penicillium produces a(n) ______that saves peoples’ lives by killing bacteria.
37. The antibiotic ______resulted from the work of Alexander Fleming, who noticed that bacteria did not grow near a spot of mold in a petri dish.
38. Wine is made by allowing yeast cells to turn the sugar in grapes into carbon dioxide and ______.
39. Algal blooms usually occur when nutrients increase in the ______.
40. Bacteria called ______help maintain a balance in nature by recycling nutrients.
41. Plants benefit from having nitrogen-fixing bacteria in their roots because the bacteria provide ______to the plants.
42. Most sewage treatment plants use saprophytes (decomposers) to break down wastes into carbon dioxide and ______.
Figure 7-1
43. Bacteria A in Figure 7-1 is called ______.
44. Bacteria B in Figure 7-1 is called ______.
45. Bacteria C in Figure 7-1 is called ______.
Short Answer
Use the diagram to answer each question.
46. Identify the two protists shown in the diagram, and tell whether each protist is animal-like, funguslike, or plantlike.
47. Identify the structures labeled A in the diagram and describe their function.
48. Identify the structures labeled B in the diagram and describe their function.
49. Identify the structure labeled C in the diagram and describe its function.
50. What is the function of the eyespot in Protist 2?
51. State whether each protist shown in the diagram is a heterotroph, an autotroph, or both.