Why does a skeletal muscle fiber have more than one nucleus? - during development, the nucleus of each myoblast replicates several times. - during muscular activity, parts of each muscle fiber break down, and the remaining parts, including their nuclei, fuse into new combination fibers. - during development, the sarcolemmae of newly formed muscle fibers disintegrate, making many muscle cells into one. - during development, groups of embryonic cells called myoblasts fus

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

yes, because even though a theory has a  lot of evidence to support it, it is not always true