If a root cap was damaged, it might start to negatively affect the plant by causing it to grow randomly, not exceed to its usual uses, and more. For understanding, the root cap protects the growing in other plants such as their tips. If this is damaged, it can cause the plants to form differently or damaged as well.
Earthworms have two muscles which is used in locomotion. Both muscles are circular and longitudinal (inner layer of the series of muscles). The diameter of the earthworms body is reduced when the circular muscles are contracted which makes them appear to be thin. The worm appears short when the longitudinal muscles contract thus, its length is reduced.
Amphioxus on the other hand, have two unique muscle fiber types. This includes deep fibers and smaller but mitochondria-rich superficial fibers. E<span>ach of which has its own innervation.</span>
im not to sure, but i think its 21.95
hope this helps! :)