The line graph displays the growth in population of bears, dolphins and whales from 2009 to 2014 in Australia.
Overall, the growth was significant among bear population, starting as the lowest of all species but ending as the highest, while opposite was true for dolphins. Whereas, whale population fluctuated throughout the period.
In 2009, the figure for bears was the lowest, showing approximately 5, before rising dramatically to above 180, reaching a peak, in 2014. In terms of dolphins, it experienced downward trend from its peak, at around 150, to 0, its lowest point, in the end of the period.
Focusing on whales, there was a fluctuation between 100 and around 50, starting at 80. before falling to about 50 in 2010. Following this it experienced a noticeable growth to 100 in 2011, after which it declined steadily to below its initial value in 2012. By the end of the period, the figure ended up at about 70.
