The organism that was most likely to live at the same time as brachiopods were
Trilobites
I can answer when you say if you are talking about cells or no
Answer:
The regulation of an internal environment is called homeostasis.
Explanation:
Homeostasis is when you can maintain a stable inner environment.
Answer:
<h2>Muscular System.... off course</h2>
The answer to your question is ''ice forming and then melting back into water''
