Cnidarians have one body opening. There is no mouth or anus. Instead, food particles are drawn into the body by movement of water. Inside the body cavity are specialized cells called amoebocytes and collar cells that help digestand remove wastes. Cnidarians with the opening at the top have body plans called polyps, such as corals. Those with the opening underneath have a medusa body form, such as jellyfish.
<span>Classification systems are only as good as the criteria used to create them. Over time, those criteria that are considered "obsolete" will be trashed and new criteria developed. In this way, systems stay both relevant but able to reach across generations.</span>
The answers are;
homeostasis
metabolism
heredity
movement
cells
sensitivity
reproduction
The other characteristics of living organisms include that are not among the choices are growth, adaptation, and interactions. These are characteristics shared by all living organisms whether large or small, complex or simple. They are born by a bacteria(simplest living organism) to humans (complex organisms).
I believe the answer to be C.
This is because A and D would not affect the young adult that much as regular dietary choices are still being applied.
B however only changes on day and would not affect the patient drastically overall.
However, C, incorporating a healthier diet would indeed help shift their nutritional choices to a more healthy path.
Hope this helps!
