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Challenge #3 Population Dynamics T. Trimpe 2008 http://sciencespot.net/ Answer each question. 1. If a population of 50 cottontail rabbits produce 300 young in a year, what is the birth rate for this population? 2. True or False – If the birth rate < death rate, the population will increase in size. 3. What term refers to the movement of animals into a population? Rabbit Population Rabbit Population Study 4. Use the graph to answer these questions. B. In which year did the population increase the most? 500 # of Rabbits A. In which year did the population decrease the most? Data recorded at the end of each year. 600 400 300 200 100 0 1 2 3 4 5 6 Year 7 8 9 10 The answers are … 1. If a population of 50 cottontail rabbits produce 300 young in a year, what is the birth rate for this population? 300 rabbits per year 2. True or False – If the birth rate < death rate, the population will increase in size. False – The population would decrease. 3. What term refers to the movement of animals into a population? Immigration Rabbit Population Rabbit Population Study 4. Use the graph to answer these questions. B. In which year did the population increase the most? Year 2 500 # of Rabbits A. In which year did the population decrease the most? Year 5 Data recorded at the end of each year. 600 400 300 200 100 0 1 2 3 4 5 6 Year 7 8 9 10