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. Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

JEOPARDY! Density Calculator Name that Distribution Age – Not Only a Number Limiting Factors Galore Growth Spurt Population Scramble 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

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? Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

37.5 groundhogs/km2 Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

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? Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

0.086 squirrels/m2 Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

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? Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

250 squirrels Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

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? Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

40 eagles Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

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. Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

1920 snakes Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Name that Distribution - 100 Organisms are arranged in no particular pattern Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

random Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Name that Distribution - 200 The most common population distribution found in nature Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

clumped Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

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. Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

random Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

uniform Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Name that Distribution - 400 Ring-tailed lemurs demonstrate this type of population distribution, determined mainly by their territorial behavior. Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

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? Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

clumped Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Age – Not Only a Number - 100 A population made up mostly of young, pre-reproductive individuals indicates a __________ population. Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

growing Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Age – Not Only a Number - 200 Which of the following indicates a stable population?: Young > Old Young < Old Young = Old Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Young = Old Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Age – Not Only a Number - 300 Type of survivorship curve for organisms whose chance of death remains constant throughout lifetime Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Type II Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

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. Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Survivorship curve Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Age – Not Only a Number - 500 What percentage of this population is between ages 15 and 19? Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

12% Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Limiting Factors Galore - 100 These environmental characteristics slow the rate of population growth Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Limiting factors Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Limiting Factors Galore - 200 Influences on a population that change with the density, or size, of the population Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Density-dependent Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Limiting Factors Galore - 300 Limiting factors determine when the birth rate will equal the death rate of a population, better known as this. Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Carrying capacity Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

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? Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Density-dependent Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

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. Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Floods, fires, weather/climate, habitat destruction, earthquakes, other natural events Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Growth Spurt - 100 Currently, what model of growth is the human population following? Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

exponential Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Growth Spurt - 200 What must be true about birth rate and death rate if a population is decreasing? Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Death rate > birth rate Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Growth Spurt - 300 True or False: The exponential model of growth rarely lasts long Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

True Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

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? Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

logistic Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Growth Spurt - 500 The exponential growth model assumes or predicts what 3 things? Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Birth rate > death rate population size increases indefinitely resources are unlimited constant growth rate Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Population Scramble - 100 Identify 3 methods for measuring population size or population density. Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Counting, estimation (random sampling), indirect indicators, mark-recapture Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Population Scramble - 200 Older individuals of a population that are past reproductive age are referred to as Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Post-reproductive Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Population Scramble - 300 List the 3 factors used to calculate population growth rates Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Births, deaths, migration (immigration and emigration) Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Population Scramble - 400 Calculate the growth rate of a population with 18 births and 9 deaths per 1000 individuals. Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

0.009 Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Population Scramble - 500 This refers to an organism’s maximum ability to produce offspring in ideal conditions Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD

Biotic potential Template by Modified by Bill Arcuri, WCSD Chad Vance, CCISD