1. JEOPARDY! Click Once to Begin
To change the question and answer slides, select the question or answer text box and type in your own questions and answers.
To play, click on a question on the game board to go to that question. The house icon will take you to the game board and the question mark icon will take you to the answer slide.
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2. JEOPARDY!
Density Calculator
Name that Distribution
Age –
Not Only a Number
Limiting Factors Galore
Growth Spurt
Population Scramble
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3. Density Calculator -100
A boundary is divided into segments of 2 km2 each. Groundhogs are counted, and it is found that an average of 75 groundhogs live in each segment. What is the estimated population density of each segment?
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4. 37.5 groundhogs/km2 Template by Modified by
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5. Density Calculator -200
When a wildlife manager counts all of the squirrels in a 100 m long and 35 meter wide stretch of forest, he estimates there to be about 300 squirrels. What population density would the manager estimate?
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6. 0.086 squirrels/m2 Template by Modified by
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7. Density Calculator -300
Within set population boundaries, wildlife biologists capture and mark 65 gray squirrels with a band. They are released back into the wild, and 3 days later the biologists recapture 50 squirrels. Of those 50, 13 are marked. What is the estimated population of gray squirrels in this area?
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8. 250 squirrels Template by Modified by
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9. Density Calculator - 400
The population density of a group of bald eagles is estimated to be 2 eagles/km2. If the eagles were counted within a 20 km2 boundary, how many bald eagles were counted?
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10. 40 eagles
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11. Density Calculator -500
Wildlife workers capture 512 snakes, mark them with a microchip, and release them back into the wild. Several days later, they capture 600 snakes, 160 of which are marked from before. Estimate the population density of these snakes.
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12. 1920 snakes Template by Modified by
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13. Name that Distribution - 100
Organisms are arranged in no particular pattern
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14. random
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15. Name that Distribution - 200
The most common population distribution found in nature
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16. clumped
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17. Name that Distribution - 300
Plants whose seeds are blown by the wind or carried by other organisms exhibit what type of dispersion pattern, the most rare in nature.
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18. random
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19. uniform
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20. Name that Distribution - 400
Ring-tailed lemurs demonstrate this type of population distribution, determined mainly by their territorial behavior.
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21. Name that Distribution- 500
Many population ecologists believe that zebra stripes are an adaptation that helps individuals avoid predation. The stripes of numerous individuals gathered together may confuse a predator. Based on this information, zebras are best suited to what pattern of distribution?
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22. clumped
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23. Age – Not Only a Number - 100
A population made up mostly of young, pre-reproductive individuals indicates a __________ population.
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24. growing
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25. Age – Not Only a Number - 200
Which of the following indicates a stable population?:
Young > Old
Young < Old
Young = Old
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26. Young = Old Template by Modified by
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27. Age – Not Only a Number - 300
Type of survivorship curve for organisms whose chance of death remains constant throughout lifetime
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28. Type II
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29. Age – Not Only a Number - 400
If you want to know how the likelihood of death varies with age, just check out one of these graphs.
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30. Survivorship curve Template by Modified by
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31. Age – Not Only a Number - 500
What percentage of this population is between ages 15 and 19?
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32. 12%
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33. Limiting Factors Galore - 100
These environmental characteristics slow the rate of population growth
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34. Limiting factors Template by Modified by
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35. Limiting Factors Galore - 200
Influences on a population that change with the density, or size, of the population
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36. Density-dependent Template by Modified by
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37. Limiting Factors Galore - 300
Limiting factors determine when the birth rate will equal the death rate of a population, better known as this.
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38. Carrying capacity Template by Modified by
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39. Limiting Factors Galore - 400
The larger the size of a population, the more an individual in that population must compete for food and space, and the more prone it is to disease and parasitism. What term describes limiting factors that operate in this manner?
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40. Density-dependent Template by Modified by
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41. Limiting Factors Galore - 500
Some limiting factors reduce the size of a population by the same proportion, regardless of the population’s size. Give 3 examples of these density-independent limiting factors.
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42. Floods, fires, weather/climate, habitat destruction, earthquakes, other natural events
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43. Growth Spurt - 100
Currently, what model of growth is the human population following?
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44. exponential Template by Modified by
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45. Growth Spurt - 200
What must be true about birth rate and death rate if a population is decreasing?
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46. Death rate > birth rate
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47. Growth Spurt - 300 True or False:
The exponential model of growth rarely lasts long
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48. True
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49. Growth Spurt - 400
Which population growth model predicts that a population will grow exponentially when small, but slows down once certain limiting factors cause competition for a shrinking supply of resources?
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50. logistic
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51. Growth Spurt - 500
The exponential growth model assumes or predicts what 3 things?
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52. Birth rate > death rate population size increases indefinitely resources are unlimited constant growth rate
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53. Population Scramble - 100
Identify 3 methods for measuring population size or population density.
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54. Counting, estimation (random sampling), indirect indicators, mark-recapture
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55. Population Scramble - 200
Older individuals of a population that are past reproductive age are referred to as
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56. Post-reproductive Template by Modified by
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57. Population Scramble - 300
List the 3 factors used to calculate population growth rates
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58. Births, deaths, migration (immigration and emigration)
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59. Population Scramble - 400
Calculate the growth rate of a population with 18 births and 9 deaths per 1000 individuals.
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60. 0.009
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61. Population Scramble - 500
This refers to an organism’s maximum ability to produce offspring in ideal conditions
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62. Biotic potential Template by Modified by
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