9. Which of the following increases the population of certain species? * immigration emigration water availability predation 10. In a population of 1145 rabbits, how many years would it take to double their size given that their growth rate is 13.8% annually? * 158 years 50 years 5 years O half year 11. Which of the following is TRUE about the growth rate of a population? * Growth rate is negative if natality exceeds mortality. Growth rate is positive if mortality exceeds natality. There is an increase in the growth rate if emigration occurs. O The higher the female population, the higher the growth rate.

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