Ecology standards questions : Use this link for info
1. Summarize the skill needed in passage 1 ___________________________________
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2. What would need to be added to this list for it be considered an ecosystem: The deer
and squirrels ate seeds in silence.
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3. After a disturbance, will an ecosystem always return to its original state?
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4. What things could impact ecosystem stability?
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5. Summarize the 3 conditions for a stable ecosystem:
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6. Summarize the skill needed for passage 2:
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7. What would be the moose population change in 1975? ____________________
8. What’s the difference between an inverse and direct relationship in a graph?
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9. Which of these is a population:
A. 5 squirrels
B. 5 squirrels and 7 deer
C. 2 ponds
10. If an area is 250 square feet for 5000 deer, what is the population density? ______
11. Is a hurricane considered a density dependent or independent limiting factor?
______________________________
12. Is a tick infestation considered a density dependent or independent limiting factor?
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13. How do wolves act as a limiting factor for the moose?
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14. Make a prediction about how the moose population would look without the wolves.
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15. Look at the image above, and then describe the limiting factors and how they affected
the pika population:
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16. Is this graph exponential or logistic growth? ______________
17. In what year did this population reach its carrying capacity? __________
18. For how many years did this population grow exponentially? ________
19. Summarize the skill needed in passage 3 ___________________________________
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20. What must energy and matter do as it flows through the ecosystem?
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21. What are two things that matters fuels energy for?
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22. Explain how an organism recycles carbon from one form to another in each of these
processes:
photosynthesis: _________________________________________________________
Respiration: ____________________________________________________________
Decomposition: _________________________________________________________
conversion: _________________________________________________________
combustion: _________________________________________________________
23. Label the carbon cycle:
24. How does increased CO2 levels affect rate of photosynthesis? ____________________
25. Summarize the skill needed in passage 4 ___________________________________
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26. What is the greenhouse effect?
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27. What is the most significant cause of global warming? _______________________
28. What does saltwater do with CO2?
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29. Fill in the chart:
Amount of
CO2 in
atmosphere
Greenhouse Average
effect
global
temp
Plant
cover
Rate of
photosynthesis
Amount of
CO2
absorbed
CO2 in
atmos
decreases
lower
30. Summarize the skill needed in passage 5 ___________________________________
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31. Define homeostasis:
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32. How does biodiversity produce a stable ecosystem?
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33. What’s the difference between resistance and resilience?
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34. How does primary succession differ from secondary?
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35. What is lichen? _______________________________________________________
36. Why does secondary succession occur faster than primary succession?
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37. Summarize the skill needed in passage 6 ___________________________________
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38. What two things are described in the meaning of biodiversity?
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39. What is overharvesting?
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Write the letter of the best answer beside each test question below:
____40. Based on the graph, what conclusion can be made about loggerhead
sea turtles and their habitat?
A. The nesting area of the whole beach has been destroyed
B. Loggerhead sea turtles are safer on the north end of beach
C. Loggerhead sea turtles are safest on the south end of beach
D. The central part of the beach has been least affected by habitat loss
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