Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 18 to 22.

Artificial intelligence (AI) has become an essential tool for conservationists to protect endangered species and monitor ecosystems. By using machine learning algorithms, AI can analyze vast amounts of data collected from camera traps, satellites, and drones, ___(1)___. AI-powered image recognition software is particularly useful in distinguishing individual animals ___(2)___. This technology helps in understanding migration patterns, detecting potential threats such as poaching or habitat destruction, and even predicting environmental changes.
Recognizing the immense potential of AI, conservationists collaborate with AI developers to refine these systems further. By integrating AI-driven predictive models, they can assess the impact of climate change on biodiversity and develop effective conservation strategies. Moreover, in remote or hazardous environments where human research is challenging, AI-driven robots can take on data collection tasks without disturbing wildlife. ___(3)___.
Despite its advantages, there are still challenges and limitations that need to be addressed. ___(4)___. Others point out that AI systems require significant amounts of data, which may not always be available in remote regions. However, as AI continues to evolve, ___(5)___.