There is a scammer/hacker on brainly that is posting "answers" saying that is on an link, (xtiny.cf/H5ct), don't believe him, th
e link would redirect you to a download center to download a zip file that is called answers, after downloading the zip they could get your info and damage your devices.
Tube 1 doesn't contain an organism so it can't be that one. Both a snail and a plant are considered an organism, and cellular respiration occurs in almost any organism's cells