Answer: True
Explanation: It is not a single organism, there is a photosynthetic and symbiotic relationship between the algae and the fungus.
The function of a bone that results from its relationship
with a skeletal muscle is that it engage in or allows movement of the limbs in
which we could see that both the bone and skeletal muscle are working together in
order to produce the limb’s movement.
The difference between the two students that we know of is that they used a different meter stick. So the difference would be best attributed to the different tools they used.
Note, this is quite a huge difference. It's likely that one of the sticks, or both, are quite defect.