I believe the answer is a mineral's crystal shape is determined by its atomic structure.
<span>Eubacteria are prokaryotic, which means that they do not have defined membrane limited nuclei. This means that Eubacteria do not have a nucleus or cell organelles. Thus the answer is C.</span>
I believe the most VALID answer to your question is "Homeostasis".
Organisms that carry out homeostasis do so in order to maintain a constant, optimum environment for the cells within their body.
