Answer:no it is not plagiarism
Explanation: Plagiarism involves writing words that are not your own as if they are your own by cutting and pasting them or trying to change few words in a paragraph.
Writing or paraphrase words from a certain source without acknowledging that source within the assessment and at the end of your writting.
Submitting work that was written by another students as your own work.
Not referencing or citing words that are not your own words.
In this case or text the assignment was written by the person who is submitting it so it his work as long as he get to cite and reference all the work that were taken from other sources.
I believe the answer is: proximodal trend
Proximodal trend refers to the period when children started to develop more specific muscle/ motor skills.
For people in general, our upper body tend to be developed at much faster rates compared to our lower body, which cause infants having to crawl first before they are able to walk.