The answer is "<span>diverticula"</span>
as the question is incomplete i have attached the full question with solution. see attachment. This question is matching pair therefore i compiled it in a picture format for better understanding.
Basically, because it controls it. It sends all the signals to everything and tells them what to do. Without the brain, nothing would happen, and you would die.
Hope this helps.<span>
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One adaptation to life in flowing water is - breeding in oceans
Adaptation is not a quick process but rather it is a slow and time taking process. It can be defined as an evolutionary process where an organism becomes increasingly well suited to living in a particular habitat. It is a feature of an organism that enables it to live in a particular habitat.