The line graph illustrates fluctuations in the populations of bears, dolphins, and whales between 2017 until 2022.
Overall, the line indicates different patterns for each mamals, where it shows significant growth for bears, sharp decline for dolphins and fluctuaring numbers for whales.
In 2017, dolphins recorded population of about 150, compared with only 80 whales and 8 bears for the same year. Over the next year, the figure for bears increased significantly to 54, while population of dolphins decrease sharply to 77. The upward trend for bears continued in the following years, with the population number reaching 93 to 116 and rose further to 137 between 2019 untul 2021. By contrast, the population of dolphin dropped further from 32 to 6 in these three consecutive year. Meanwhile, whales showed a different trend where the number of population depicts a downward and upward trend repeteadly for each year until 2022.
By 2022, bears still recorded the highest number of population with 184. Meanwhile, both dolphin and whales were still faced a reduction in its number of population.