Read the following passage and choose the correct word or phrase that best fits each of the numbered blanks
The importance of ecosystems cannot be ___(1)___, as they are fundamental to the survival and well-being of all living organisms, including humans. Ecosystems provide numerous invaluable services ___(2)___ sustain life on Earth. They regulate the climate by absorbing carbon dioxide and releasing oxygen, helping to stabilize global ___(3)___ and maintain suitable conditions for life. Ecosystems also play a crucial role in water purification, ensuring the availability of clean drinking water and supporting aquatic habitats. Additionally, ecosystems support biodiversity by providing habitats and resources for a wide range of plant and animal species. This biodiversity is essential for the stability and resilience of ecosystems, as different species contribute to the functioning of ecological processes, such as pollination, nutrient cycling, and pest control. ___(4)___ ecosystems offer cultural and recreational benefits, providing opportunities for spiritual connection, leisure activities, and inspiration for art and creativity. Preserving and protecting ecosystems is not only a ___(5)___ of environmental concern but also a necessity for the sustainable future of our planet and the well-being of present and future generations.
(Adapted from The Guardian)