What video, i can help more if you can show me the video
Answer:
viruses, bacteria, fungi, and parasites
Explanation:
The answer is here:
https://quizlet.com/13402266/biology-test-sterngrr-scientific-method-flash-cards/
Develop into<span> gills or other body parts as the embryo </span>develops<span>. </span>backbone<span> ... the embryonic structure in chordates that is </span>usually<span> replaced by a </span>backbone<span>. bony fish.</span>