A population of 22 lizards undergoes linear growth and increases to 212 individuals over a six-year span. What is the growth rate of this population?

0.13 lizards per year
1.61 lizards per year
9.64 lizards per year
57.80 lizards per year

Question

A population of 22 lizards undergoes linear growth and increases to 212 individuals over a six-year span. What is the growth rate of this population?

 0.13 lizards per year
 1.61 lizards per year
 9.64 lizards per year
 57.80 lizards per year

aaronq · Answer

how many new lizards are there?

212-22 = 190 lizards

how many per year?

190 lizards/6 years = 31.667 lizards/year

anonymous · Answer

Hmm, it was way more complicated than this.
I had to use the logistic growth model equation.  I got it right.