The cell wall<span> and the </span>central vacuole<span> help to support the plant cell and help it maintain its shape.</span>
The answer B. Chromosomes
The answer is A) they provide a source of energy.
Well, an endoskeleton is an internal skeleton, like humans have.
Pro: Bones do not get broke as easily, since they are inside of the body. Bones that break also heal more quickly in an endoskeleton, since they have tissue and blood surrounding it and transferring nutrients.
Con: The flesh can get easily damaged. There is no shedding with endoskeletons, so a new skeleton cannot be grown in the event of an injury.
Answer:
the presence of cell structures in the cell
Explanation:
<em>If you do not know the reasoning behind this, you may want to read the explanation assignment the teacher adds, or do more research, look at notes, or pay attention during class :)</em>