a researcher is comparing the size of sarcomeres in mice to those in elephants. what will he find? it is impossible to determine sarcomere size in elephants and mice, given that sarcomeres are dynamic and are constantly changing in length and diameter. sarcomere size is proportional to the size of the animal; sarcomeres of elephants will be much larger than sarcomeres in mice. sarcomere size is relatively constant in vertebrates. as a result, mouse and elephant sarcomeres will likely be equal in size. sarcomere size is inversely proportional to animal size; sarcomeres in mice will be much larger than sarcomeres in elephants.