The given line chart compares the comunities of three wildlife species in North America and its coastal areas, between the years 2009 and 2014. Looking at the charts , it is obvious that the population of three wild animals experience a downward trend over time. Moreover, the numbers of Bears stand at the highest position among all.
At begin, the populations of dolphins constituted the highest share at the beginning of the period at approximately by 155 thousands , before this drop gradually to 10 over the period of 5 yeras from 2009 and it finished cearly by 0 in 2014. Additionally, the munbers of bears stared at the lowest of the chart, but in the next years, bears chart increased significantly and converged with dolphins just over 60 thousands , then from 2010 to 2014 the bears chart growthed dramatically by 127 thousands from 57 thousands to 182 thousands and become the highest population in North America and its coastal areas
However, while the other 2 wildlife species declince or growth moderately, the whales chart was fluctuate reamarkably in 6 years later after the first year. Whales line was start at approximately 80 thousands and decreased considerably in 2010, nonetheless, their was incease and get the peak at just under by 100 thousands from 2010 to 2011, the continued oscilate steadily between 2021 to 2014 and finished at 75 thousansd in 2014.