Band 6+: The graph illustrates changes in the populations of bears, dolphins, and whales between 2017 and 2022, showing significant growth for bears, a sharp decline for dolphins, and fluctuating numbers for whales.

The provided line graph illustrates population of three kinds of animals, namely Bears, Dolphins and Whales over a 5-year period from 2017 to 2022.

Overall, it is evident that the number for Bears experienced a dramatic growth, while the population of Dolphins declined sharply throughout the period. In contrast, the figure for Whales fluctuated over the period. The population of Dolphins was higher than that of other types of animal at the beginning of the period, wheres the number of Bear outlook the figure og Dolphins at the end of the period.

In 2017, the population of Bears stood at approximately 8 before increasing significantly to around 93 in 2019. In contrast, the number of Dolphins started at 150, then declined to about 77 in 2018. Thereafter, the figure recorded a decrease to roughly 32 in 2019. Meanwhile, population of Whales showed exactly 80 at the beginning of the period, before declining to about 54 in 2018, while the number for Whales in 2019 recorded 100.

In 2020, the number of Brars demonstrated a rise to about 116, before reaching a peak of around 184 at the end of the period. By comparison, the figure for Dolphins experienced a gradual decrease from 11 in 2020 to only 1 in 2022. Unlike the number for Whales in 2020, which recorded 76, the population Whales showed fluctuations until 72 in 2022