All known living things are made up of one or more cells<span>.
All living </span>cells come<span> from existing </span>cells<span> by division.
The </span>cell<span> is the fundamental unit of structure and function in all living organisms.</span>
<span>The answer for this question is D. Use the machine to increase the incline and intensity. The reason for this is the fact that increasing the incline will cause her to work against gravity and the increase in intensity will result in her having to work harder. The difference between this and her running speed increasing is the fact that mentally she can determine what her running speed is, but if the machine is at an incline and the intensity is set higher, she physically has no choice but to push her body, thus resulting in a more effective workout.</span>
B it's a vegstigial trait
Many biology texts today still refer to the appendix as a vestigial organ
