<span>The answer is : movement, reproduction, obtaining food and oxygen, and body structure</span>
Answer:
ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation
There are so many examples for that in different areas, like biology experiment carried out in our lab recently.
Here's one link:https://www.creative-biogene.com/support/Knockout-Cell-Lines-in-Antibody-Screening-and-Validation.html
