Read the following passage and choose the correct word or phrase that best fits each of the numbered blanks
Ecotourism, ___(1)___ involves traveling to natural areas with the goal of conserving the environment and supporting local communities, is often seen as a sustainable and responsible form of tourism. ___(2)___, it is important to acknowledge that even ecotourism can have negative impacts on ecosystems if not ___(3)___ managed.
One major concern is the potential disruption of natural habitats and wildlife. Ecotourism activities, such as hiking, wildlife viewing, and boat tours, can disturb animal populations and their habitats. Constant human presence and increased foot traffic can ___(4)___ stress to wildlife, disrupt breeding and feeding patterns, and even lead to habitat degradation. Additionally, the construction of infrastructure to support ecotourism, such as lodges, trails, and viewing platforms, may involve clearing land, ___(5)___ waterways, and fragmenting ecosystems, further impacting the delicate balance of natural environments. ___(6)___ negative impact of ecotourism is the potential for pollution and resource depletion. As the number of visitors increases, so does the demand for services and amenities, leading to increased waste ___(7)___, energy consumption, and water usage. Improper waste management and inadequate infrastructure can ___(8)___ pollution of water bodies, land degradation, and disturbance to delicate ecosystems. Furthermore, the extraction of natural resources to ___(9)___ the needs of tourists, such as timber for construction and firewood for cooking, can put additional pressure ___(10)___ already vulnerable ecosystems and contribute to deforestation and loss of biodiversity. (Adapted from National Geographic)