Mesenteries attach parts of the digestive tract to the dorsal body wall
Answer: option A - includes all of the ecosystem services, future uses, and non-use values (such as cultural, intrinsic, and aesthetic values) of an ecosystem.
Explanation:
Ecosystem is the interrelationship of organisms (plants, animals, microbes) with each other and their environment.
The TOTAL economic value of an ecosystem includes:
the presently utilized resources,
the resources to be derived in the future,
the non-use or intangible aspects (like tourism, beautification, etc)
The central vacuole holds all of the water for the plant, and when the plant has had enough water, it swells. When the central vacuole swells with all of the water, it pushes against the cell wall. This is called turgor pressure, and it gives the plant the support it needs to stay upright.