Answer:
the characteristics of herbaceous stems are a, b, and d.
Explanation:
Salt marshes are primarily influenced by the tidal flow.
Nucleus, Mitochondria, vacuole
The animal with a nerve net is a hydra. It <span>doesn't really have a recognizable </span>brain<span> or true </span>muscles<span> so the nerve nets connect sensory </span>photoreceptors<span> and touch sensitive nerve cells located in the body wall and tentacles.</span>