SBI3U BIODIVERSITY UNIT 1 TEST REVIEW – NOW OR NEVER
SPECIES
1. How many species have been identified in the world? (page 10, textbook)
2. How many species do scientists estimate are unidentified?
3. What are the three species concepts? Briefly describe each concept.
DOMAINS & KINGDOMS
4. How many domains are there and what are they called? (Page 26, textbook)
5. How many kingdoms are there?
6. How many kingdoms of come under bacteria in general?
7. How many kingdoms come under eukarya
8. What is the cell type of each kingdom? (Page 29, textbook)
PROKARYOTES & EUKARYOTES
9. What are the differences between prokaryotes and eukaryotes? List all four
differences.
CLASSIFICATION (Dichotomous Keys) & DIVERSITY
10. What is a dichotomous key and how is it helpful?
11. In a dichotomous key, are the questions within each pair in the steps suppose
to be opposites of each other? (see your Identifying the Pamishan Creatures
activity as well your dichotomous key assignment)
12. If you were to create a quick dichotomous key with 4 steps (like the one on
the quiz), what items or topic would you choose?
13. What is genetic diversity?
14. How does genetic diversity provide resistance to disease?
VIRUSES
15. What are the physical components that make up a virus?
16. What is a capsid?
17. How are viruses classified? (see Sept. 16 lesson on viruses)
18. What are two arguments for viruses being living organisms?
19. What are two arguments against viruses as living organisms?
20. Do viruses appear in the classification of life?
21. What are the main steps called in the lytic and lysogenic cycle?
22. Briefly describe each of the steps.
BACTERIA
23. What are the three geometric forms bacteria is known to have? (Sept 19)
24. What are streptococci and streptobacilli?
25. What is the kingdom under the domain of bacteria?
26. What is the kingdom under the domain of archaea?
27. Archaea was an unusual type of bacteria that was separated from eubacteria
because of the extreme conditions it was found to be living in. What are the
three types of extremophiles? (provide a rough labeled sketch of the
environments)
28. What are mesophiles?
29. Is there good evidence for archaea being photosynthetic?
30. Can archaea make use of sunglight?
31. What is cyanobacteria and why is it important for the world?
32. What is binary fission? (the following questions are short answers)
33. What is the relationship between binary fission and prokaryotes?
34. What is the relationship between prokaryotes and bacteria?
35. Therefore, what is the relationship between bacteria and binary fission?
36. Know the steps involved in binary fission (handout given in class – Page 62)
37. Sir David Attenborough is a Fellow of what society?
KINGDOM: PROTISTS
38. What is the difference between unicellular and multicellular?
39. Are most protists unicellular?
40. Are protists eukaryotic?
41. What are the three types of protists? Which of these are heterotroughs and
which are autotroughs?
42. What is a parasite?
43. What are two examples of animal-like protists? Briefly describe each.
44. What are two examples of fungus-like protists? Briefly ‘’ ‘’.
45. What are two examples of plant-like protists? Briefly ‘’ ‘’.
PLANT-like PROTISTS
46. Is algae photosynthetic and is it unicellular and multicellular?
47. Multicellular algae are seeweeds that are divided into how many colours?
48. Scientists debate whether Algae are protists or plants. But they agree that
plants came from a certain algae – which colour algae did plants come from?
49. Briefly describe each coloured algae
50. Redraw/label the brown algae structure (use abbreviation: BBH)
KINGDOM: PLANTS
51. What are the four different types of plants?
52. Briefly describe the major aspects of each type of plant.
53. What are angiosperms and gymnosperms?
KINGDOM: FUNGUS
54. What is fungus?
55. What are the basic structural units that fungus is made of?
56. What is a mycelium and what is a fruiting body?
57. In how many different ways can fungus obtain nutrients?
58. Briefly describe each way fungus obtains nutrients.
59. What did you learn from Sir David Attenborough’s discussion on the Bullet
Ants infected by the cordyceps fungi?
60. How do scientists classify fungus?
61. How many different groups of fungus are there?
62. What are lichens are describe the important role they play in nature.
KINGDOM: ANIMALS
63. Describe at least five facts about animals
64. What’s the difference between invertebrate and vertebrate animals?
65. Draw with arrows the levels of organization ranging from cells to organ
systems.
66. State the three body layers.
67. Describe with a drawing the two types of symmetries scientists use to
classify animals.
68. Briefly describe the body cavity, segmentation, movement and reproduction
of animals. Remember that these features are used by scientists to classify
animals.