Review for Coral Reefs and Ecosystem Quiz
1. What is coral categorized as?
2. Be able to label a coral polyp with all its parts from a marshmallow-type picture.
3. On the marshmallow coral we made, what does the hole in the middle of the top of marshmallow
represent? What is its function?
4. What do the twizzlers represent? What is their function? When do they usually function?
5. What does the marshmallow represent?
6. What does the chocolate frosting represent? What is it made from?
7. What do the sprinkles represent? Give the full name and explain their function, along with what
kind of close relationship they have with the coral polyp.
8. What did the plate represent? What do you call the many coral polyps all fused together?
9. What are four reasons why coral reefs are important? Explain.
10. What is an “indicator species”?
11. Which two species have a specified length to be included in the count? What are the lengths?
Without using a ruler in the water, what can you use to measure those two species?
12. What two indicator species do you count, even if they are outside of the transect?
13. Do you include any other non-indicator species that you see while monitoring the reef?
14. What are the nine indicator species we learned? Be able to identify them from a picture.
15. What are some ways that coral reefs can be damaged?
16. Name the levels of an ecosystem (from smallest to largest).
17. What is an organism? Give an example.
18. What is a population? Give an example.
19. What is a community? Give an example.
20. What is an ecosystem? Give an example.
21. What is another name for “living factors”? “non-living” factors?
22. Name and describe the four ways to determine the size of a population.
23. Give specific examples of when it would be appropriate to use each way to count a population.
24. What is the main way a population increases? Decreases?
25. What’s the difference between immigration and emigration?
26. What equation do you use to get the population density of an area?
27. If you count 250 Chicadees in 25 square miles, what is the population density of the Chicadees in
that area?
28. What is a limiting factor? Give examples.
29. What is carrying capacity?
30. What is an adaptation? Give an example.
31. What are the three major interactions among organisms in an ecosystem?
32. What is competition? What happens if two species try to get the same resources?
33. What is predation? What’s the difference between a predator and a prey?
34. Give some examples of predator adaptations.
35. Name the 5 defense strategies we learned about and explain them.
36. What is symbiosis?
37. What is mutualism and give an example.
38. What is commensalism and give an example.
39. What is parasitism and give an example. What’s the difference between a parasite and a host?